Spelling fixes in comments and descriptions (2.8 changes), patch by luzpaz.

Differential Revision: https://developer.blender.org/D3719

77 files changed, 116 insertions, 116 deletions

diff --git a/source/blender/blenkernel/BKE_modifier.h b/source/blender/blenkernel/BKE_modifier.h
index 52015ff025d..eb08db93bd0 100644
--- a/source/blender/blenkernel/BKE_modifier.h
+++ b/source/blender/blenkernel/BKE_modifier.h
@@ -464,7 +464,7 @@ struct Mesh *modifier_applyModifier_ensure_normals(
         struct ModifierData *md, const struct ModifierEvalContext *ctx,
         struct Mesh *mesh);
 
-/* depricated variants of above that accept DerivedMesh */
+/* deprecated variants of above that accept DerivedMesh */
 
 void modifier_deformVerts_DM_deprecated(
         struct ModifierData *md, const struct ModifierEvalContext *ctx,
diff --git a/source/blender/blenkernel/BKE_movieclip.h b/source/blender/blenkernel/BKE_movieclip.h
index ee8e22048a1..5071724d772 100644
--- a/source/blender/blenkernel/BKE_movieclip.h
+++ b/source/blender/blenkernel/BKE_movieclip.h
@@ -88,7 +88,7 @@ bool BKE_movieclip_put_frame_if_possible(struct MovieClip *clip, struct MovieCli
 void BKE_movieclip_eval_update(struct Depsgraph *depsgraph, struct MovieClip *clip);
 void BKE_movieclip_eval_selection_update(struct Depsgraph *depsgraph, struct MovieClip *clip);
 
-/* cacheing flags */
+/* caching flags */
 #define MOVIECLIP_CACHE_SKIP        (1 << 0)
 
 /* postprocessing flags */
diff --git a/source/blender/blenkernel/BKE_subdiv_ccg.h b/source/blender/blenkernel/BKE_subdiv_ccg.h
index fa3782bbd0f..b2aaf6fc4cc 100644
--- a/source/blender/blenkernel/BKE_subdiv_ccg.h
+++ b/source/blender/blenkernel/BKE_subdiv_ccg.h
@@ -72,7 +72,7 @@ typedef struct SubdivToCCGSettings {
 	/* Resolution at which regular ptex (created for quad polygon) are being
 	 * evaluated. This defines how many vertices final mesh will have: every
 	 * regular ptex has resolution^2 vertices. Special (irregular, or ptex
-	 * crated for a corner of non-quad polygon) will have resolution of
+	 * created for a corner of non-quad polygon) will have resolution of
 	 * `resolution - 1`.
 	 */
 	int resolution;
diff --git a/source/blender/blenkernel/BKE_subdiv_mesh.h b/source/blender/blenkernel/BKE_subdiv_mesh.h
index 59e96edd154..f719527eed8 100644
--- a/source/blender/blenkernel/BKE_subdiv_mesh.h
+++ b/source/blender/blenkernel/BKE_subdiv_mesh.h
@@ -41,7 +41,7 @@ typedef struct SubdivToMeshSettings {
 	/* Resolution at which regular ptex (created for quad polygon) are being
 	 * evaluated. This defines how many vertices final mesh will have: every
 	 * regular ptex has resolution^2 vertices. Special (irregular, or ptex
-	 * crated for a corner of non-quad polygon) will have resolution of
+	 * created for a corner of non-quad polygon) will have resolution of
 	 * `resolution - 1`.
 	 */
 	int resolution;
diff --git a/source/blender/blenkernel/intern/DerivedMesh.c b/source/blender/blenkernel/intern/DerivedMesh.c
index d37664e0074..76986b8c61c 100644
--- a/source/blender/blenkernel/intern/DerivedMesh.c
+++ b/source/blender/blenkernel/intern/DerivedMesh.c
@@ -3446,7 +3446,7 @@ void DM_init_origspace(DerivedMesh *dm)
 				scale[1] = 1e-9f;
 			invert_v2(scale);
 
-			/* Finally, transform all vcos_2d into ((0, 0), (1, 1)) square and assing them as origspace. */
+			/* Finally, transform all vcos_2d into ((0, 0), (1, 1)) square and assign them as origspace. */
 			for (j = 0; j < mp->totloop; j++, lof++) {
 				add_v2_v2v2(lof->uv, vcos_2d[j], translate);
 				mul_v2_v2(lof->uv, scale);
diff --git a/source/blender/blenkernel/intern/armature.c b/source/blender/blenkernel/intern/armature.c
index 83e5e4fe3f7..a5eb49756bb 100644
--- a/source/blender/blenkernel/intern/armature.c
+++ b/source/blender/blenkernel/intern/armature.c
@@ -1478,7 +1478,7 @@ void BKE_armature_mat_pose_to_bone_ex(struct Depsgraph *depsgraph, Object *ob, b
 	BKE_pose_where_is_bone(depsgraph, NULL, ob, &work_pchan, 0.0f, false);
 
 	/* find the matrix, need to remove the bone transforms first so this is
-	 * calculated as a matrix to set rather then a difference ontop of whats
+	 * calculated as a matrix to set rather then a difference ontop of what's
 	 * already there. */
 	unit_m4(outmat);
 	BKE_pchan_apply_mat4(&work_pchan, outmat, false);
@@ -2010,7 +2010,7 @@ void BKE_pose_rebuild(Main *bmain, Object *ob, bArmature *arm, const bool do_id_
 
 	/* synchronize protected layers with proxy */
 	/* HACK! To preserve 2.7x behavior that you always can pose even locked bones,
-	 * do not do any restauration if this is a COW temp copy! */
+	 * do not do any restoration if this is a COW temp copy! */
 	/* Switched back to just NO_MAIN tag, for some reasons (c) using COW tag was working this morning, but not anymore... */
 	if (ob->proxy != NULL && (ob->id.tag & LIB_TAG_NO_MAIN) == 0) {
 		BKE_object_copy_proxy_drivers(ob, ob->proxy);
@@ -2265,7 +2265,7 @@ void BKE_pose_where_is_bone(
 			cob = BKE_constraints_make_evalob(depsgraph, scene, ob, pchan, CONSTRAINT_OBTYPE_BONE);
 
 			/* Solve PoseChannel's Constraints */
-			BKE_constraints_solve(depsgraph, &pchan->constraints, cob, ctime); /* ctime doesnt alter objects */
+			BKE_constraints_solve(depsgraph, &pchan->constraints, cob, ctime); /* ctime doesn't alter objects */
 
 			/* cleanup after Constraint Solving
 			 * - applies matrix back to pchan, and frees temporary struct used
diff --git a/source/blender/blenkernel/intern/blender_undo.c b/source/blender/blenkernel/intern/blender_undo.c
index 857fc72672c..47e1def2aba 100644
--- a/source/blender/blenkernel/intern/blender_undo.c
+++ b/source/blender/blenkernel/intern/blender_undo.c
@@ -89,7 +89,7 @@ bool BKE_memfile_undo_decode(MemFileUndoData *mfu, bContext *C)
 	G.fileflags = fileflags;
 
 	if (success) {
-		/* important not to update time here, else non keyed tranforms are lost */
+		/* important not to update time here, else non keyed transforms are lost */
 		DEG_on_visible_update(bmain, false);
 	}
 
diff --git a/source/blender/blenkernel/intern/brush.c b/source/blender/blenkernel/intern/brush.c
index 08f8dd40bc7..e4f89e5bcfb 100644
--- a/source/blender/blenkernel/intern/brush.c
+++ b/source/blender/blenkernel/intern/brush.c
@@ -522,7 +522,7 @@ void BKE_brush_gpencil_presets(bContext *C)
 	brush->gpencil_settings->brush_type = GP_BRUSH_TYPE_ERASE;
 	brush->gpencil_settings->eraser_mode = GP_BRUSH_ERASER_STROKE;
 
-	/* set defaut brush */
+	/* set default brush */
 	BKE_paint_brush_set(paint, deft);
 
 }
diff --git a/source/blender/blenkernel/intern/cloth.c b/source/blender/blenkernel/intern/cloth.c
index 08e638e7cb1..d8482bf632b 100644
--- a/source/blender/blenkernel/intern/cloth.c
+++ b/source/blender/blenkernel/intern/cloth.c
@@ -1227,7 +1227,7 @@ static void cloth_update_verts( Object *ob, ClothModifierData *clmd, Mesh *mesh
 	}
 }
 
-/* Update spring rest lenght, for dynamically deformable cloth */
+/* Update spring rest length, for dynamically deformable cloth */
 static void cloth_update_spring_lengths( ClothModifierData *clmd, Mesh *mesh )
 {
 	Cloth *cloth = clmd->clothObject;
@@ -1555,7 +1555,7 @@ static int cloth_build_springs ( ClothModifierData *clmd, Mesh *mesh )
 					if (curr_ref->polys == 1) {
 						curr_ref->index = i;
 					}
-					/* Second poly found for this egde, add bending data. */
+					/* Second poly found for this edge, add bending data. */
 					else if (curr_ref->polys == 2) {
 						spring = curr_ref->spring;
 
@@ -1580,7 +1580,7 @@ static int cloth_build_springs ( ClothModifierData *clmd, Mesh *mesh )
 
 						bend_springs++;
 					}
-					/* Third poly found for this egde, remove bending data. */
+					/* Third poly found for this edge, remove bending data. */
 					else if (curr_ref->polys == 3) {
 						spring = curr_ref->spring;
 
diff --git a/source/blender/blenkernel/intern/collection.c b/source/blender/blenkernel/intern/collection.c
index 75f721b79e6..ef126da3463 100644
--- a/source/blender/blenkernel/intern/collection.c
+++ b/source/blender/blenkernel/intern/collection.c
@@ -97,7 +97,7 @@ static Collection *collection_add(Main *bmain, Collection *collection_parent, co
 }
 
 /**
- * Add a collection to a collection ListBase and syncronize all render layers
+ * Add a collection to a collection ListBase and synchronize all render layers
  * The ListBase is NULL when the collection is to be added to the master collection
  */
 Collection *BKE_collection_add(Main *bmain, Collection *collection_parent, const char *name_custom)
diff --git a/source/blender/blenkernel/intern/font.c b/source/blender/blenkernel/intern/font.c
index 8632e575813..587a2612997 100644
--- a/source/blender/blenkernel/intern/font.c
+++ b/source/blender/blenkernel/intern/font.c
@@ -1051,7 +1051,7 @@ makebreak:
 				lines = ct_last->linenr - ct_first->linenr + 1;
 
 				textbox_scale(&tb_scale, &cu->tb[tb_index], 1.0f / cu->fsize);
-				/* The initial Y origin of the textbox is harcoded to 1.0f * text scale. */
+				/* The initial Y origin of the textbox is hardcoded to 1.0f * text scale. */
 				const float textbox_y_origin = 1.0f;
 				float yoff;
 
diff --git a/source/blender/blenkernel/intern/gpencil_modifier.c b/source/blender/blenkernel/intern/gpencil_modifier.c
index cf5c58d5727..ed9c6568c95 100644
--- a/source/blender/blenkernel/intern/gpencil_modifier.c
+++ b/source/blender/blenkernel/intern/gpencil_modifier.c
@@ -583,7 +583,7 @@ void BKE_gpencil_modifier_copyData_generic(const GpencilModifierData *md_src, Gp
 {
 	const GpencilModifierTypeInfo *mti = BKE_gpencil_modifierType_getInfo(md_src->type);
 
-	/* md_dst may have alredy be fully initialized with some extra allocated data,
+	/* md_dst may have already be fully initialized with some extra allocated data,
 	 * we need to free it now to avoid memleak. */
 	if (mti->freeData) {
 		mti->freeData(md_dst);
@@ -731,7 +731,7 @@ void BKE_gpencil_subdivide(bGPDstroke *gps, int level, int flag)
 		temp_points = MEM_dupallocN(gps->points);
 		oldtotpoints = gps->totpoints;
 
-		/* resize the points arrys */
+		/* resize the points arrays */
 		gps->totpoints += totnewpoints;
 		gps->points = MEM_recallocN(gps->points, sizeof(*gps->points) * gps->totpoints);
 		if (gps->dvert != NULL) {
diff --git a/source/blender/blenkernel/intern/library.c b/source/blender/blenkernel/intern/library.c
index 9486f068c44..a209b2ac1d7 100644
--- a/source/blender/blenkernel/intern/library.c
+++ b/source/blender/blenkernel/intern/library.c
@@ -1437,7 +1437,7 @@ void BKE_libblock_copy_ex(Main *bmain, const ID *id, ID **r_newid, const int fla
 	BLI_assert((flag & LIB_ID_CREATE_NO_MAIN) != 0 || bmain != NULL);
 	BLI_assert((flag & LIB_ID_CREATE_NO_MAIN) != 0 || (flag & LIB_ID_CREATE_NO_ALLOCATE) == 0);
 	BLI_assert((flag & LIB_ID_CREATE_NO_MAIN) == 0 || (flag & LIB_ID_CREATE_NO_USER_REFCOUNT) != 0);
-	/* Never implicitely copy shapekeys when generating temp data outside of Main database. */
+	/* Never implicitly copy shapekeys when generating temp data outside of Main database. */
 	BLI_assert((flag & LIB_ID_CREATE_NO_MAIN) == 0 || (flag & LIB_ID_COPY_SHAPEKEY) == 0);
 
 	if ((flag & LIB_ID_CREATE_NO_ALLOCATE) != 0) {
diff --git a/source/blender/blenkernel/intern/library_override.c b/source/blender/blenkernel/intern/library_override.c
index 150092392b4..35437c1c9b9 100644
--- a/source/blender/blenkernel/intern/library_override.c
+++ b/source/blender/blenkernel/intern/library_override.c
@@ -169,7 +169,7 @@ static ID *override_static_create_from(Main *bmain, ID *reference_id)
 }
 
 
-/** Create an overriden local copy of linked reference. */
+/** Create an overridden local copy of linked reference. */
 ID *BKE_override_static_create_from_id(Main *bmain, ID *reference_id)
 {
 	BLI_assert(reference_id != NULL);
@@ -177,13 +177,13 @@ ID *BKE_override_static_create_from_id(Main *bmain, ID *reference_id)
 
 	ID *local_id = override_static_create_from(bmain, reference_id);
 
-	/* Remapping, we obviously only want to affect local data (and not our own reference pointer to overriden ID). */
+	/* Remapping, we obviously only want to affect local data (and not our own reference pointer to overridden ID). */
 	BKE_libblock_remap(bmain, reference_id, local_id, ID_REMAP_SKIP_INDIRECT_USAGE | ID_REMAP_SKIP_STATIC_OVERRIDE);
 
 	return local_id;
 }
 
-/** Create overriden local copies of all tagged data-blocks in given Main.
+/** Create overridden local copies of all tagged data-blocks in given Main.
  *
  * \note Set id->newid of overridden libs with newly created overrides, caller is responsible to clean those pointers
  * before/after usage as needed.
@@ -207,7 +207,7 @@ bool BKE_override_static_create_from_tag(Main *bmain)
 		}
 	}
 
-	/* Remapping, we obviously only want to affect local data (and not our own reference pointer to overriden ID). */
+	/* Remapping, we obviously only want to affect local data (and not our own reference pointer to overridden ID). */
 	a = num_types;
 	while (a--) {
 		for (ID *reference_id = lbarray[a]->first; reference_id != NULL; reference_id = reference_id->next) {
@@ -236,7 +236,7 @@ IDOverrideStaticProperty *BKE_override_static_property_find(IDOverrideStatic *ov
  */
 IDOverrideStaticProperty *BKE_override_static_property_get(IDOverrideStatic *override, const char *rna_path, bool *r_created)
 {
-	/* XXX TODO we'll most likely want a runtime ghash to store taht mapping at some point. */
+	/* XXX TODO we'll most likely want a runtime ghash to store that mapping at some point. */
 	IDOverrideStaticProperty *op = BKE_override_static_property_find(override, rna_path);
 
 	if (op == NULL) {
@@ -587,7 +587,7 @@ void BKE_main_override_static_operations_create(Main *bmain, const bool force_au
 	}
 }
 
-/** Update given override from its reference (re-applying overriden properties). */
+/** Update given override from its reference (re-applying overridden properties). */
 void BKE_override_static_update(Main *bmain, ID *local)
 {
 	if (local->override_static == NULL || local->override_static->reference == NULL) {
@@ -681,7 +681,7 @@ void BKE_main_override_static_update(Main *bmain)
  * II) We store the differential value into a second 'ghost' data-block, which is an empty ID of same type as local one,
  *     where we only define values that need differential data.
  *
- * This avoids us having to modify 'real' data-block at write time (and retoring it afterwards), which is inneficient,
+ * This avoids us having to modify 'real' data-block at write time (and restoring it afterwards), which is inneficient,
  * and potentially dangerous (in case of concurrent access...), while not using much extra memory in typical cases.
  * It also ensures stored data-block always contains exact same data as "desired" ones (kind of "baked" data-blocks).
  */
diff --git a/source/blender/blenkernel/intern/library_query.c b/source/blender/blenkernel/intern/library_query.c
index 27f0b653347..2f125beec5f 100644
--- a/source/blender/blenkernel/intern/library_query.c
+++ b/source/blender/blenkernel/intern/library_query.c
@@ -949,7 +949,7 @@ void BKE_library_foreach_ID_link(Main *bmain, ID *id, LibraryIDLinkCallback call
 					bScreen *screen = BKE_workspace_layout_screen_get(layout);
 
 					/* CALLBACK_INVOKE expects an actual pointer, not a variable holding the pointer.
-					 * However we can't acess layout->screen here since we are outside the workspace project. */
+					 * However we can't access layout->screen here since we are outside the workspace project. */
 					CALLBACK_INVOKE(screen, IDWALK_CB_USER);
 					/* allow callback to set a different screen */
 					BKE_workspace_layout_screen_set(layout, screen);
diff --git a/source/blender/blenkernel/intern/mesh.c b/source/blender/blenkernel/intern/mesh.c
index 4e070f50a14..c38196bcfb9 100644
--- a/source/blender/blenkernel/intern/mesh.c
+++ b/source/blender/blenkernel/intern/mesh.c
@@ -326,7 +326,7 @@ static void mesh_ensure_tessellation_customdata(Mesh *me)
 				/* note: this warning may be un-called for if we are initializing the mesh for the
 				 * first time from bmesh, rather then giving a warning about this we could be smarter
 				 * and check if there was any data to begin with, for now just print the warning with
-				 * some info to help troubleshoot whats going on - campbell */
+				 * some info to help troubleshoot what's going on - campbell */
 				printf("%s: warning! Tessellation uvs or vcol data got out of sync, "
 				       "had to reset!\n    CD_MTFACE: %d != CD_MLOOPUV: %d || CD_MCOL: %d != CD_MLOOPCOL: %d\n",
 				       __func__, tottex_tessface, tottex_original, totcol_tessface, totcol_original);
diff --git a/source/blender/blenkernel/intern/mesh_convert.c b/source/blender/blenkernel/intern/mesh_convert.c
index f3318e5b57a..7cc7095361c 100644
--- a/source/blender/blenkernel/intern/mesh_convert.c
+++ b/source/blender/blenkernel/intern/mesh_convert.c
@@ -1330,7 +1330,7 @@ void BKE_mesh_nomain_to_mesh(Mesh *mesh_src, Mesh *mesh_dst, Object *ob, CustomD
 		        totedge);
 	}
 	if (!CustomData_has_layer(&tmp.pdata, CD_MPOLY)) {
-		/* TODO(Sybren): assigment to tmp.mxxx is probably not necessary due to the
+		/* TODO(Sybren): assignment to tmp.mxxx is probably not necessary due to the
 		 * BKE_mesh_update_customdata_pointers() call below. */
 		tmp.mloop = (alloctype == CD_ASSIGN) ? mesh_src->mloop : MEM_dupallocN(mesh_src->mloop);
 		tmp.mpoly = (alloctype == CD_ASSIGN) ? mesh_src->mpoly : MEM_dupallocN(mesh_src->mpoly);
diff --git a/source/blender/blenkernel/intern/mesh_runtime.c b/source/blender/blenkernel/intern/mesh_runtime.c
index 51dd9a9ea3a..f52e0addc74 100644
--- a/source/blender/blenkernel/intern/mesh_runtime.c
+++ b/source/blender/blenkernel/intern/mesh_runtime.c
@@ -244,7 +244,7 @@ static void mesh_runtime_debug_info_layers(
 
 	for (type = 0; type < CD_NUMTYPES; type++) {
 		if (CustomData_has_layer(cd, type)) {
-			/* note: doesnt account for multiple layers */
+			/* note: doesn't account for multiple layers */
 			const char *name = CustomData_layertype_name(type);
 			const int size = CustomData_sizeof(type);
 			const void *pt = CustomData_get_layer(cd, type);
diff --git a/source/blender/blenkernel/intern/modifier.c b/source/blender/blenkernel/intern/modifier.c
index 7462efc268c..1863e454397 100644
--- a/source/blender/blenkernel/intern/modifier.c
+++ b/source/blender/blenkernel/intern/modifier.c
@@ -910,7 +910,7 @@ struct Mesh *modifier_applyModifier_ensure_normals(struct ModifierData *md, cons
 	return mti->applyModifier(md, ctx, mesh);
 }
 
-/* depricated variants of above that accept DerivedMesh */
+/* deprecated variants of above that accept DerivedMesh */
 
 void modifier_deformVerts_DM_deprecated(struct ModifierData *md, const ModifierEvalContext *ctx,
 	struct DerivedMesh *dm,
diff --git a/source/blender/blenkernel/intern/multires_reshape.c b/source/blender/blenkernel/intern/multires_reshape.c
index 617352840da..9e17d41ed7a 100644
--- a/source/blender/blenkernel/intern/multires_reshape.c
+++ b/source/blender/blenkernel/intern/multires_reshape.c
@@ -145,7 +145,7 @@ static void multires_reshape_init_mmd_top_level(
 }
 
 /* =============================================================================
- * General reshape implementaiton, reused by all particular cases.
+ * General reshape implementation, reused by all particular cases.
  */
 
 typedef struct MultiresReshapeContext {
@@ -427,7 +427,7 @@ static void multires_reshape_propagate_prepare(
 	BLI_assert(reshape_level <= top_level);
 	data->old_displacement_grids = NULL;
 	if (reshape_level == top_level) {
-		/* Nothing to do, reshape will happen on the whole grid conent. */
+		/* Nothing to do, reshape will happen on the whole grid content. */
 		return;
 	}
 	Mesh *coarse_mesh = object->data;
diff --git a/source/blender/blenkernel/intern/object.c b/source/blender/blenkernel/intern/object.c
index 1cf019a7e3c..cdf5af66dd6 100644
--- a/source/blender/blenkernel/intern/object.c
+++ b/source/blender/blenkernel/intern/object.c
@@ -2849,7 +2849,7 @@ void BKE_object_handle_update_ex(Depsgraph *depsgraph,
 /* WARNING: "scene" here may not be the scene object actually resides in.
  * When dealing with background-sets, "scene" is actually the active scene.
  * e.g. "scene" <-- set 1 <-- set 2 ("ob" lives here) <-- set 3 <-- ... <-- set n
- * rigid bodies depend on their world so use BKE_object_handle_update_ex() to also pass along the corrent rigid body world
+ * rigid bodies depend on their world so use BKE_object_handle_update_ex() to also pass along the current rigid body world
  */
 void BKE_object_handle_update(Depsgraph *depsgraph, Scene *scene, Object *ob)
 {
diff --git a/source/blender/blenkernel/intern/scene.c b/source/blender/blenkernel/intern/scene.c
index 79d7deb7e55..8c2f226eb8b 100644
--- a/source/blender/blenkernel/intern/scene.c
+++ b/source/blender/blenkernel/intern/scene.c
@@ -934,7 +934,7 @@ Scene *BKE_scene_add(Main *bmain, const char *name)
 }
 
 /**
- * Check if there is any intance of the object in the scene
+ * Check if there is any instance of the object in the scene
  */
 bool BKE_scene_object_find(Scene *scene, Object *ob)
 {
diff --git a/source/blender/blenkernel/intern/shader_fx.c b/source/blender/blenkernel/intern/shader_fx.c
index 0bbac9b7a2a..f19b450dece 100644
--- a/source/blender/blenkernel/intern/shader_fx.c
+++ b/source/blender/blenkernel/intern/shader_fx.c
@@ -165,7 +165,7 @@ void BKE_shaderfx_copyData_generic(const ShaderFxData *fx_src, ShaderFxData *fx_
 {
 	const ShaderFxTypeInfo *fxi = BKE_shaderfxType_getInfo(fx_src->type);
 
-	/* fx_dst may have alredy be fully initialized with some extra allocated data,
+	/* fx_dst may have already be fully initialized with some extra allocated data,
 	 * we need to free it now to avoid memleak. */
 	if (fxi->freeData) {
 		fxi->freeData(fx_dst);
diff --git a/source/blender/blenkernel/intern/smoke.c b/source/blender/blenkernel/intern/smoke.c
index 2c378c17fa4..b3f1cbf6a1f 100644
--- a/source/blender/blenkernel/intern/smoke.c
+++ b/source/blender/blenkernel/intern/smoke.c
@@ -714,7 +714,7 @@ void smokeModifier_copy(const struct SmokeModifierData *smd, struct SmokeModifie
 
 #ifdef WITH_SMOKE
 
-// forward decleration
+// forward declaration
 static void smoke_calc_transparency(SmokeDomainSettings *sds, ViewLayer *view_layer);
 static float calc_voxel_transp(float *result, float *input, int res[3], int *pixel, float *tRay, float correct);
 
diff --git a/source/blender/blenkernel/intern/subdiv_ccg.c b/source/blender/blenkernel/intern/subdiv_ccg.c
index c05bf8ad76d..00ac9c49b83 100644
--- a/source/blender/blenkernel/intern/subdiv_ccg.c
+++ b/source/blender/blenkernel/intern/subdiv_ccg.c
@@ -164,7 +164,7 @@ static void subdiv_ccg_alloc_elements(SubdivCCG *subdiv_ccg, Subdiv *subdiv)
 		subdiv_ccg->grid_hidden[grid_index] =
 		        BLI_BITMAP_NEW(grid_area, "ccg grid hidden");
 	}
-	/* TOOD(sergey): Allocate memory for loose elements. */
+	/* TODO(sergey): Allocate memory for loose elements. */
 	/* Allocate memory for faces. */
 	subdiv_ccg->num_faces = num_faces;
 	if (num_faces) {
diff --git a/source/blender/blenkernel/intern/subdiv_foreach.c b/source/blender/blenkernel/intern/subdiv_foreach.c
index 5c45d7017d3..511536c31b5 100644
--- a/source/blender/blenkernel/intern/subdiv_foreach.c
+++ b/source/blender/blenkernel/intern/subdiv_foreach.c
@@ -123,7 +123,7 @@ typedef struct SubdivForeachTaskContext {
 	 */
 	BLI_bitmap *coarse_vertices_used_map;
 	/* Bitmap indicating whether edge was used already or not. This includes:
-	 * - During context initialization it indicates whether subdivided verticies
+	 * - During context initialization it indicates whether subdivided vertices
 	 *   for corresponding edge were already calculated or not.
 	 * - During patch evaluation it indicates whether vertices along this edge
 	 *   were already evaluated.
@@ -167,7 +167,7 @@ static void subdiv_foreach_ctx_count(SubdivForeachTaskContext *ctx)
 				ctx->num_subdiv_vertices += num_subdiv_vertices_per_coarse_edge;
 			}
 		}
-		/* Inner verticies of polygon. */
+		/* Inner vertices of polygon. */
 		if (num_ptex_faces_per_poly == 1) {
 			ctx->num_subdiv_vertices += num_inner_vertices_per_quad;
 			ctx->num_subdiv_edges +=
@@ -1322,13 +1322,13 @@ static void subdiv_foreach_loops_regular(SubdivForeachTaskContext *ctx,
 		for (int x = 1; x < ptex_resolution - 2; x++, subdiv_loop_index += 4) {
 			const int inner_x = x - 1;
 			const float u = x * inv_ptex_resolution_1;
-			/* Vertex indicies ordered counter-clockwise. */
+			/* Vertex indices ordered counter-clockwise. */
 			const int v0 = start_vertex_index +
 			               (inner_y * ptex_inner_resolution + inner_x);
 			const int v1 = v0 + 1;
 			const int v2 = v0 + ptex_inner_resolution + 1;
 			const int v3 = v0 + ptex_inner_resolution;
-			/* Edge indicies ordered counter-clockwise. */
+			/* Edge indices ordered counter-clockwise. */
 			const int e0 = start_edge_index +
 			        (inner_y * (2 * ptex_inner_resolution - 1) + inner_x);
 			const int e1 = e0 + ptex_inner_resolution;
@@ -1517,14 +1517,14 @@ static void subdiv_foreach_loops_special(SubdivForeachTaskContext *ctx,
 			{
 				const int inner_x = x - 1;
 				const float u = x * inv_ptex_resolution_1;
-				/* Vertex indicies ordered counter-clockwise. */
+				/* Vertex indices ordered counter-clockwise. */
 				const int v0 =
 				        corner_vertex_index +
 				        (inner_y * (ptex_face_inner_resolution + 1) + inner_x);
 				const int v1 = v0 + 1;
 				const int v2 = v0 + ptex_face_inner_resolution + 2;
 				const int v3 = v0 + ptex_face_inner_resolution + 1;
-				/* Edge indicies ordered counter-clockwise. */
+				/* Edge indices ordered counter-clockwise. */
 				const int e0 = corner_edge_index +
 				          (inner_y * (2 * ptex_face_inner_resolution + 1) + inner_x);
 				const int e1 = e0 + ptex_face_inner_resolution + 1;
@@ -1905,7 +1905,7 @@ static void subdiv_foreach_vertices_of_loose_edges_task(
 	const int num_subdiv_vertices_per_coarse_edge = resolution - 2;
 	const Mesh *coarse_mesh = ctx->coarse_mesh;
 	const MEdge *coarse_edge = &coarse_mesh->medge[coarse_edge_index];
-	/* Subdivion verticies which corresponds to edge's v1 and v2. */
+	/* Subdivion vertices which corresponds to edge's v1 and v2. */
 	const int subdiv_v1_index =
 	        ctx->vertices_corner_offset + coarse_edge->v1;
 	const int subdiv_v2_index =
diff --git a/source/blender/blenkernel/intern/subdiv_mesh.c b/source/blender/blenkernel/intern/subdiv_mesh.c
index f4c229cb701..d8d4014b3cd 100644
--- a/source/blender/blenkernel/intern/subdiv_mesh.c
+++ b/source/blender/blenkernel/intern/subdiv_mesh.c
@@ -119,7 +119,7 @@ static void loops_of_ptex_get(
 	/* Loop which look in the (opposite) V direction of the current
 	 * ptex face.
 	 *
-	 * TOOD(sergey): Get rid of using module on every iteration.
+	 * TODO(sergey): Get rid of using module on every iteration.
 	 */
 	const int last_ptex_loop_index =
 	        coarse_poly->loopstart +
@@ -562,7 +562,7 @@ static void evaluate_vertex_and_apply_displacement_copy(
         MVert *subdiv_vert)
 {
 	/* Displacement is accumulated in subdiv vertex position.
-	 * need to back it up before copying data fro original vertex.
+	 * need to back it up before copying data from original vertex.
 	 */
 	float D[3];
 	copy_v3_v3(D, subdiv_vert->co);
@@ -584,7 +584,7 @@ static void evaluate_vertex_and_apply_displacement_interpolate(
         MVert *subdiv_vert)
 {
 	/* Displacement is accumulated in subdiv vertex position.
-	 * need to back it up before copying data fro original vertex.
+	 * need to back it up before copying data from original vertex.
 	 */
 	float D[3];
 	copy_v3_v3(D, subdiv_vert->co);
@@ -1073,7 +1073,7 @@ static void setup_foreach_callbacks(SubdivForeachContext *foreach_context,
                                     const Subdiv *subdiv)
 {
 	memset(foreach_context, 0, sizeof(*foreach_context));
-	/* General informaiton. */
+	/* General information. */
 	foreach_context->topology_info = subdiv_mesh_topology_info;
 	/* Every boundary geometry. Used for dispalcement averaging. */
 	if (subdiv->displacement_evaluator != NULL) {
diff --git a/source/blender/collada/ControllerExporter.cpp b/source/blender/collada/ControllerExporter.cpp
index 4de26639519..cb8903200f1 100644
--- a/source/blender/collada/ControllerExporter.cpp
+++ b/source/blender/collada/ControllerExporter.cpp
@@ -546,7 +546,7 @@ std::string ControllerExporter::add_inv_bind_mats_source(Object *ob_arm, ListBas
 		}
 	}
 
-	// back from rest positon
+	// back from rest position
 	if (!(flag & ARM_RESTPOS)) {
 		arm->flag = flag;
 		BKE_pose_where_is(depsgraph, scene, ob_arm);
diff --git a/source/blender/collada/MeshImporter.cpp b/source/blender/collada/MeshImporter.cpp
index 31bf690cb0d..4c0c13db72c 100644
--- a/source/blender/collada/MeshImporter.cpp
+++ b/source/blender/collada/MeshImporter.cpp
@@ -1092,7 +1092,7 @@ Object *MeshImporter::create_mesh_object(COLLADAFW::Node *node, COLLADAFW::Insta
 
 	// add object
 	Object *ob = bc_add_object(m_bmain, scene, view_layer, OB_MESH, name);
-	bc_set_mark(ob); // used later for material assignement optimization
+	bc_set_mark(ob); // used later for material assignment optimization
 
 
 	// store object pointer for ArmatureImporter
diff --git a/source/blender/depsgraph/intern/builder/deg_builder_relations_rig.cc b/source/blender/depsgraph/intern/builder/deg_builder_relations_rig.cc
index 811986ea0e8..da063b35139 100644
--- a/source/blender/depsgraph/intern/builder/deg_builder_relations_rig.cc
+++ b/source/blender/depsgraph/intern/builder/deg_builder_relations_rig.cc
@@ -405,7 +405,7 @@ void DepsgraphRelationBuilder::build_rig(Object *object)
 			OperationKey parent_key(&object->id, DEG_NODE_TYPE_BONE, pchan->parent->name, parent_key_opcode);
 			add_relation(parent_key, bone_pose_key, "Parent Bone -> Child Bone");
 		}
-		/* Buil constraints. */
+		/* Build constraints. */
 		if (pchan->constraints.first != NULL) {
 			/* Build relations for indirectly linked objects. */
 			BuilderWalkUserData data;
diff --git a/source/blender/depsgraph/intern/depsgraph_query_iter.cc b/source/blender/depsgraph/intern/depsgraph_query_iter.cc
index ac3122d2159..8bba92c262c 100644
--- a/source/blender/depsgraph/intern/depsgraph_query_iter.cc
+++ b/source/blender/depsgraph/intern/depsgraph_query_iter.cc
@@ -93,7 +93,7 @@ void verify_id_properties_freed(DEGObjectIterData *data)
 	const Object *dupli_object = data->dupli_object_current->ob;
 	Object *temp_dupli_object = &data->temp_dupli_object;
 	if (temp_dupli_object->id.properties == NULL) {
-		// No ID proeprties in temp datablock -- no leak is possible.
+		// No ID properties in temp datablock -- no leak is possible.
 		return;
 	}
 	if (temp_dupli_object->id.properties == dupli_object->id.properties) {
diff --git a/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.h b/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.h
index 40b1f94c7bc..e9f5bc1e918 100644
--- a/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.h
+++ b/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.h
@@ -83,7 +83,7 @@ void deg_free_copy_on_write_datablock(struct ID *id_cow);
 void deg_evaluate_copy_on_write(struct ::Depsgraph *depsgraph,
                                 const struct IDDepsNode *id_node);
 
-/* Check that given ID is propely expanded and does not have any shallow
+/* Check that given ID is properly expanded and does not have any shallow
  * copies inside.
   */
 bool deg_validate_copy_on_write_datablock(ID *id_cow);
diff --git a/source/blender/gpu/GPU_context.h b/source/blender/gpu/GPU_context.h
index 3e32b64b281..4d667a02fac 100644
--- a/source/blender/gpu/GPU_context.h
+++ b/source/blender/gpu/GPU_context.h
@@ -26,7 +26,7 @@
 /** \file blender/gpu/GPU_context.h
  *  \ingroup gpu
  *
- * This interface allow GPU to manage VAOs for mutiple context and threads.
+ * This interface allow GPU to manage VAOs for multiple context and threads.
  */
 
 #ifndef __GPU_CONTEXT_H__
diff --git a/source/blender/gpu/GPU_immediate_util.h b/source/blender/gpu/GPU_immediate_util.h
index 9f1d9646246..7baf359c52e 100644
--- a/source/blender/gpu/GPU_immediate_util.h
+++ b/source/blender/gpu/GPU_immediate_util.h
@@ -28,7 +28,7 @@
 #define __GPU_IMMEDIATE_UTIL_H__
 
 /* Draw 2D rectangles (replaces glRect functions) */
-/* caller is reponsible for vertex format & shader */
+/* caller is responsible for vertex format & shader */
 void immRectf(uint pos, float x1, float y1, float x2, float y2);
 void immRecti(uint pos, int x1, int y1, int x2, int y2);
 
diff --git a/source/blender/gpu/GPU_shader.h b/source/blender/gpu/GPU_shader.h
index d14164e930e..1a1d40b32c2 100644
--- a/source/blender/gpu/GPU_shader.h
+++ b/source/blender/gpu/GPU_shader.h
@@ -73,7 +73,7 @@ void GPU_shader_free(GPUShader *shader);
 void GPU_shader_bind(GPUShader *shader);
 void GPU_shader_unbind(void);
 
-/* Returns true if transform feedback was succesfully enabled. */
+/* Returns true if transform feedback was successfully enabled. */
 bool GPU_shader_transform_feedback_enable(GPUShader *shader, unsigned int vbo_id);
 void GPU_shader_transform_feedback_disable(GPUShader *shader);
 
@@ -197,7 +197,7 @@ typedef enum GPUBuiltinShader {
 	GPU_SHADER_2D_IMAGE_SHUFFLE_COLOR,
 	GPU_SHADER_2D_IMAGE_MASK_UNIFORM_COLOR,
 	/**
-	 * Draw texture with alpha. Take a 3D positon and a 2D texture coordinate for each vertex.
+	 * Draw texture with alpha. Take a 3D position and a 2D texture coordinate for each vertex.
 	 *
 	 * \param alpha: uniform float
 	 * \param image: uniform sampler2D
@@ -207,7 +207,7 @@ typedef enum GPUBuiltinShader {
 	GPU_SHADER_3D_IMAGE_MODULATE_ALPHA,
 	/**
 	 * Draw linearized depth texture relate to near and far distances.
-	 * Take a 3D positon and a 2D texture coordinate for each vertex.
+	 * Take a 3D position and a 2D texture coordinate for each vertex.
 	 *
 	 * \param znear: uniform float
 	 * \param zfar: uniform float
diff --git a/source/blender/gpu/GPU_viewport.h b/source/blender/gpu/GPU_viewport.h
index 921cd0e7369..45712050b73 100644
--- a/source/blender/gpu/GPU_viewport.h
+++ b/source/blender/gpu/GPU_viewport.h
@@ -43,7 +43,7 @@
 
 typedef struct GPUViewport GPUViewport;
 
-/* Contains memory pools informations */
+/* Contains memory pools information */
 typedef struct ViewportMemoryPool {
 	struct BLI_mempool *calls;
 	struct BLI_mempool *states;
diff --git a/source/blender/gpu/intern/gpu_buffers.c b/source/blender/gpu/intern/gpu_buffers.c
index 5d34cdbb6fb..38edcbe7f71 100644
--- a/source/blender/gpu/intern/gpu_buffers.c
+++ b/source/blender/gpu/intern/gpu_buffers.c
@@ -413,7 +413,7 @@ void GPU_pbvh_grid_buffers_update(
 		GPU_INDEXBUF_DISCARD_SAFE(buffers->index_buf_fast);
 	}
 	else if (!buffers->smooth && buffers->index_buf != NULL) {
-		/* Discard unecessary index buffers. */
+		/* Discard unnecessary index buffers. */
 		GPU_BATCH_DISCARD_SAFE(buffers->triangles);
 		GPU_BATCH_DISCARD_SAFE(buffers->triangles_fast);
 		GPU_INDEXBUF_DISCARD_SAFE(buffers->index_buf);
diff --git a/source/blender/gpu/intern/gpu_codegen.c b/source/blender/gpu/intern/gpu_codegen.c
index 69801f64ab1..c1e6b9b53a0 100644
--- a/source/blender/gpu/intern/gpu_codegen.c
+++ b/source/blender/gpu/intern/gpu_codegen.c
@@ -873,7 +873,7 @@ static char *code_generate_vertex(ListBase *nodes, const char *vert_code, bool u
 				/* XXX FIXME : see notes in mesh_render_data_create() */
 				/* NOTE : Replicate changes to mesh_render_data_create() in draw_cache_impl_mesh.c */
 				if (input->attribtype == CD_ORCO) {
-					/* orco is computed from local positions, see bellow */
+					/* orco is computed from local positions, see below */
 					BLI_dynstr_appendf(ds, "uniform vec3 OrcoTexCoFactors[2];\n");
 				}
 				else if (input->attribname[0] == '\0') {
diff --git a/source/blender/gpu/intern/gpu_context_private.h b/source/blender/gpu/intern/gpu_context_private.h
index 762d9ff10c0..7f13dd542da 100644
--- a/source/blender/gpu/intern/gpu_context_private.h
+++ b/source/blender/gpu/intern/gpu_context_private.h
@@ -26,7 +26,7 @@
 /** \file blender/gpu/intern/gpu_context_private.h
  *  \ingroup gpu
  *
- * This interface allow GPU to manage GL objects for mutiple context and threads.
+ * This interface allow GPU to manage GL objects for multiple context and threads.
  */
 
 #ifndef __GPU_CONTEXT_PRIVATE_H__
diff --git a/source/blender/gpu/intern/gpu_framebuffer.c b/source/blender/gpu/intern/gpu_framebuffer.c
index 270dc014f7b..346d1320b75 100644
--- a/source/blender/gpu/intern/gpu_framebuffer.c
+++ b/source/blender/gpu/intern/gpu_framebuffer.c
@@ -75,7 +75,7 @@ struct GPUFrameBuffer {
 	int width, height;
 	bool multisample;
 	/* TODO Check that we always use the right context when binding
-	 * (FBOs are not shared accross ogl contexts). */
+	 * (FBOs are not shared across ogl contexts). */
 	// void *ctx;
 };
 
diff --git a/source/blender/gpu/intern/gpu_material.c b/source/blender/gpu/intern/gpu_material.c
index d5aa7177e11..ac97867f40f 100644
--- a/source/blender/gpu/intern/gpu_material.c
+++ b/source/blender/gpu/intern/gpu_material.c
@@ -67,7 +67,7 @@ typedef struct GPUColorBandBuilder {
 } GPUColorBandBuilder;
 
 struct GPUMaterial {
-	Scene *scene; /* DEPRECATED was only usefull for lamps */
+	Scene *scene; /* DEPRECATED was only useful for lamps */
 	Material *ma;
 
 	/* material for mesh surface, worlds or something else.
@@ -141,7 +141,7 @@ enum {
 
 /* Functions */
 
-/* Returns the adress of the future pointer to coba_tex */
+/* Returns the address of the future pointer to coba_tex */
 GPUTexture **gpu_material_ramp_texture_row_set(GPUMaterial *mat, int size, float *pixels, float *row)
 {
 	/* In order to put all the colorbands into one 1D array texture,
@@ -467,7 +467,7 @@ static void compute_sss_translucence_kernel(
 		/* Distance from surface. */
 		float d = kd->max_radius * ((float)i + 0.00001f) / ((float)resolution);
 
-		/* For each distance d we compute the radiance incomming from an hypothetic parallel plane. */
+		/* For each distance d we compute the radiance incoming from an hypothetic parallel plane. */
 		/* Compute radius of the footprint on the hypothetic plane */
 		float r_fp = sqrtf(kd->max_radius * kd->max_radius - d * d);
 		float r_step = r_fp / INTEGRAL_RESOLUTION;
@@ -482,7 +482,7 @@ static void compute_sss_translucence_kernel(
 			profile[1] = eval_profile(dist, falloff_type, sharpness, kd->param[1]);
 			profile[2] = eval_profile(dist, falloff_type, sharpness, kd->param[2]);
 
-			/* Since the profile and configuration are radially symetrical we
+			/* Since the profile and configuration are radially symmetrical we
 			 * can just evaluate it once and weight it accordingly */
 			float r_next = r + r_step;
 			float disk_area = (M_PI * r_next * r_next) - (M_PI * r * r);
diff --git a/source/blender/gpu/intern/gpu_texture.c b/source/blender/gpu/intern/gpu_texture.c
index 0ef1700b348..abb632ce718 100644
--- a/source/blender/gpu/intern/gpu_texture.c
+++ b/source/blender/gpu/intern/gpu_texture.c
@@ -764,7 +764,7 @@ GPUTexture *GPU_texture_create_buffer(GPUTextureFormat tex_format, const GLuint
 	if (!tex->bindcode) {
 		fprintf(stderr, "GPUTexture: texture create failed\n");
 		GPU_texture_free(tex);
-		BLI_assert(0 && "glGenTextures failled: Are you sure a valid OGL context is active on this thread?\n");
+		BLI_assert(0 && "glGenTextures failed: Are you sure a valid OGL context is active on this thread?\n");
 		return NULL;
 	}
 
@@ -1441,7 +1441,7 @@ int GPU_texture_detach_framebuffer(GPUTexture *tex, GPUFrameBuffer *fb)
 
 void GPU_texture_get_mipmap_size(GPUTexture *tex, int lvl, int *size)
 {
-	/* TODO assert if lvl is bellow the limit of 1px in each dimension. */
+	/* TODO assert if lvl is below the limit of 1px in each dimension. */
 	int div = 1 << lvl;
 	size[0] = max_ii(1, tex->w / div);
 
diff --git a/source/blender/gpu/intern/gpu_uniformbuffer.c b/source/blender/gpu/intern/gpu_uniformbuffer.c
index 82b82d622a4..9bc3727bb03 100644
--- a/source/blender/gpu/intern/gpu_uniformbuffer.c
+++ b/source/blender/gpu/intern/gpu_uniformbuffer.c
@@ -291,7 +291,7 @@ static void gpu_uniformbuffer_inputs_sort(ListBase *inputs)
 	while (link != NULL && ((GPUInput *)link->data)->type == GPU_VEC3) {
 		LinkData *link_next = link->next;
 
-		/* If GPU_VEC3 is followed by nothing or a GPU_FLOAT, no need for aligment. */
+		/* If GPU_VEC3 is followed by nothing or a GPU_FLOAT, no need for alignment. */
 		if ((link_next == NULL) ||
 		    ((GPUInput *)link_next->data)->type == GPU_FLOAT)
 		{
diff --git a/source/blender/gpu/intern/gpu_vertex_buffer.c b/source/blender/gpu/intern/gpu_vertex_buffer.c
index 05100b8a23f..b6058a2cb79 100644
--- a/source/blender/gpu/intern/gpu_vertex_buffer.c
+++ b/source/blender/gpu/intern/gpu_vertex_buffer.c
@@ -155,7 +155,7 @@ void GPU_vertbuf_data_resize(GPUVertBuf *verts, uint v_len)
 
 /* Set vertex count but does not change allocation.
  * Only this many verts will be uploaded to the GPU and rendered.
- * This is usefull for streaming data. */
+ * This is useful for streaming data. */
 void GPU_vertbuf_vertex_count_set(GPUVertBuf *verts, uint v_len)
 {
 #if TRUST_NO_ONE
diff --git a/source/blender/gpu/intern/gpu_viewport.c b/source/blender/gpu/intern/gpu_viewport.c
index fe98477f28c..1dd3faa3b03 100644
--- a/source/blender/gpu/intern/gpu_viewport.c
+++ b/source/blender/gpu/intern/gpu_viewport.c
@@ -288,7 +288,7 @@ double *GPU_viewport_cache_time_get(GPUViewport *viewport)
 }
 
 /**
- * Try to find a texture coresponding to params into the texture pool.
+ * Try to find a texture corresponding to params into the texture pool.
  * If no texture was found, create one and add it to the pool.
  */
 GPUTexture *GPU_viewport_texture_pool_query(GPUViewport *viewport, void *engine, int width, int height, int format)
diff --git a/source/blender/gpu/shaders/gpu_shader_instance_camera_vert.glsl b/source/blender/gpu/shaders/gpu_shader_instance_camera_vert.glsl
index aec8fd9b0a1..805ecd6085f 100644
--- a/source/blender/gpu/shaders/gpu_shader_instance_camera_vert.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_instance_camera_vert.glsl
@@ -1,7 +1,7 @@
 
 uniform mat4 ViewProjectionMatrix;
 
-/* ---- Instanciated Attribs ---- */
+/* ---- Instantiated Attribs ---- */
 in float pos;
 
 /* ---- Per instance Attribs ---- */
diff --git a/source/blender/gpu/shaders/gpu_shader_instance_distance_line_vert.glsl b/source/blender/gpu/shaders/gpu_shader_instance_distance_line_vert.glsl
index ced5bb7f684..255eeb9baf1 100644
--- a/source/blender/gpu/shaders/gpu_shader_instance_distance_line_vert.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_instance_distance_line_vert.glsl
@@ -1,7 +1,7 @@
 
 uniform mat4 ViewProjectionMatrix;
 
-/* ---- Instanciated Attribs ---- */
+/* ---- Instantiated Attribs ---- */
 in vec3 pos;
 
 /* ---- Per instance Attribs ---- */
diff --git a/source/blender/gpu/shaders/gpu_shader_instance_objectspace_variying_color_vert.glsl b/source/blender/gpu/shaders/gpu_shader_instance_objectspace_variying_color_vert.glsl
index 9876717b297..d2b64608eaa 100644
--- a/source/blender/gpu/shaders/gpu_shader_instance_objectspace_variying_color_vert.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_instance_objectspace_variying_color_vert.glsl
@@ -2,7 +2,7 @@
 uniform mat4 ViewMatrix;
 uniform mat4 ViewProjectionMatrix;
 
-/* ---- Instanciated Attribs ---- */
+/* ---- Instantiated Attribs ---- */
 in vec3 pos;
 in vec3 nor;
 
diff --git a/source/blender/gpu/shaders/gpu_shader_instance_screen_aligned_vert.glsl b/source/blender/gpu/shaders/gpu_shader_instance_screen_aligned_vert.glsl
index 2ee74b3eae0..429b648ca53 100644
--- a/source/blender/gpu/shaders/gpu_shader_instance_screen_aligned_vert.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_instance_screen_aligned_vert.glsl
@@ -2,7 +2,7 @@
 uniform mat4 ViewProjectionMatrix;
 uniform vec3 screen_vecs[2];
 
-/* ---- Instanciated Attribs ---- */
+/* ---- Instantiated Attribs ---- */
 in vec3 pos; /* using Z as axis id */
 
 /* ---- Per instance Attribs ---- */
diff --git a/source/blender/gpu/shaders/gpu_shader_instance_screenspace_variying_color_vert.glsl b/source/blender/gpu/shaders/gpu_shader_instance_screenspace_variying_color_vert.glsl
index ba0ac29fb79..2a4675ce2c9 100644
--- a/source/blender/gpu/shaders/gpu_shader_instance_screenspace_variying_color_vert.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_instance_screenspace_variying_color_vert.glsl
@@ -4,7 +4,7 @@ uniform vec3 screen_vecs[2];
 uniform float size;
 uniform float pixel_size;
 
-/* ---- Instanciated Attribs ---- */
+/* ---- Instantiated Attribs ---- */
 in vec2 pos;
 
 /* ---- Per instance Attribs ---- */
diff --git a/source/blender/gpu/shaders/gpu_shader_instance_variying_size_variying_color_vert.glsl b/source/blender/gpu/shaders/gpu_shader_instance_variying_size_variying_color_vert.glsl
index 1c49d9dec3e..1ec158ae15c 100644
--- a/source/blender/gpu/shaders/gpu_shader_instance_variying_size_variying_color_vert.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_instance_variying_size_variying_color_vert.glsl
@@ -2,7 +2,7 @@
 uniform mat4 ViewProjectionMatrix;
 uniform float alpha;
 
-/* ---- Instanciated Attribs ---- */
+/* ---- Instantiated Attribs ---- */
 in vec3 pos;
 
 /* ---- Per instance Attribs ---- */
diff --git a/source/blender/gpu/shaders/gpu_shader_instance_variying_size_variying_id_vert.glsl b/source/blender/gpu/shaders/gpu_shader_instance_variying_size_variying_id_vert.glsl
index 49750dddb3c..f265bf9fc01 100644
--- a/source/blender/gpu/shaders/gpu_shader_instance_variying_size_variying_id_vert.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_instance_variying_size_variying_id_vert.glsl
@@ -2,7 +2,7 @@
 uniform mat4 ViewProjectionMatrix;
 uniform int baseId;
 
-/* ---- Instanciated Attribs ---- */
+/* ---- Instantiated Attribs ---- */
 in vec3 pos;
 
 /* ---- Per instance Attribs ---- */
diff --git a/source/blender/gpu/shaders/gpu_shader_instance_vert.glsl b/source/blender/gpu/shaders/gpu_shader_instance_vert.glsl
index eac167e8045..a4facae435e 100644
--- a/source/blender/gpu/shaders/gpu_shader_instance_vert.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_instance_vert.glsl
@@ -1,7 +1,7 @@
 
 uniform mat4 ViewProjectionMatrix;
 
-/* ---- Instanciated Attribs ---- */
+/* ---- Instantiated Attribs ---- */
 in vec3 pos;
 
 /* ---- Per instance Attribs ---- */
diff --git a/source/blender/gpu/shaders/gpu_shader_material.glsl b/source/blender/gpu/shaders/gpu_shader_material.glsl
index 8fa1828bd9c..64f04e5b1fe 100644
--- a/source/blender/gpu/shaders/gpu_shader_material.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_material.glsl
@@ -1375,7 +1375,7 @@ void node_subsurface_scattering(
 	eevee_closure_subsurface(N, color.rgb, 1.0, scale, out_diff, out_trans);
 	result.sss_data.rgb = out_diff + out_trans;
 #  ifdef USE_SSS_ALBEDO
-	/* Not perfect for texture_blur not exaclty equal to 0.0 or 1.0. */
+	/* Not perfect for texture_blur not exactly equal to 0.0 or 1.0. */
 	result.sss_albedo.rgb = mix(color.rgb, vec3(1.0), texture_blur);
 	result.sss_data.rgb *= mix(vec3(1.0), color.rgb, texture_blur);
 #  else
diff --git a/source/blender/makesdna/DNA_ID.h b/source/blender/makesdna/DNA_ID.h
index 4e5f76a6b72..9e5e822c4d5 100644
--- a/source/blender/makesdna/DNA_ID.h
+++ b/source/blender/makesdna/DNA_ID.h
@@ -187,7 +187,7 @@ enum {
 	IDOVERRIDESTATIC_FLAG_LOCKED        =   1 << 1,  /* User cannot change that override operation. */
 };
 
-/* A single overriden property, contain all operations on this one. */
+/* A single overridden property, contain all operations on this one. */
 typedef struct IDOverrideStaticProperty {
 	struct IDOverrideStaticProperty *next, *prev;
 
diff --git a/source/blender/makesdna/DNA_brush_types.h b/source/blender/makesdna/DNA_brush_types.h
index 970605d6be7..6c382dcbcab 100644
--- a/source/blender/makesdna/DNA_brush_types.h
+++ b/source/blender/makesdna/DNA_brush_types.h
@@ -55,7 +55,7 @@ typedef struct BrushClone {
 
 typedef struct BrushGpencilSettings {
 	float draw_smoothfac;     /* amount of smoothing to apply to newly created strokes */
-	float draw_sensitivity;   /* amount of sensivity to apply to newly created strokes */
+	float draw_sensitivity;   /* amount of sensitivity to apply to newly created strokes */
 	float draw_strength;      /* amount of alpha strength to apply to newly created strokes */
 	float draw_jitter;        /* amount of jitter to apply to newly created strokes */
 	float draw_angle;         /* angle when the brush has full thickness */
diff --git a/source/blender/makesdna/DNA_gpencil_types.h b/source/blender/makesdna/DNA_gpencil_types.h
index 2127e629ff8..b1cf1f6db80 100644
--- a/source/blender/makesdna/DNA_gpencil_types.h
+++ b/source/blender/makesdna/DNA_gpencil_types.h
@@ -76,14 +76,14 @@ typedef enum eGPDspoint_Flag {
 } eGPSPoint_Flag;
 
 /* ***************************************** */
-/* GP Fill - Triangle Tesselation Data */
+/* GP Fill - Triangle Tessellation Data */
 
 /* Grease-Pencil Annotations - 'Triangle'
  * 	-> A triangle contains the index of three vertices for filling the stroke
  *	   This is only used if high quality fill is enabled
  */
 typedef struct bGPDtriangle {
-	/* indices for tesselated triangle used for GP Fill */
+	/* indices for tessellated triangle used for GP Fill */
 	unsigned int verts[3];
 	/* texture coordinates for verts */
 	float uv[3][2];
diff --git a/source/blender/makesdna/DNA_object_types.h b/source/blender/makesdna/DNA_object_types.h
index a000a083ff6..b988ca9801a 100644
--- a/source/blender/makesdna/DNA_object_types.h
+++ b/source/blender/makesdna/DNA_object_types.h
@@ -292,7 +292,7 @@ typedef struct Object {
 	struct RigidBodyCon *rigidbody_constraint;	/* settings for Bullet constraint */
 
 	float ima_ofs[2];		/* offset for image empties */
-	ImageUser *iuser;		/* must be non-null when oject is an empty image */
+	ImageUser *iuser;		/* must be non-null when object is an empty image */
 
 	ListBase lodlevels;		/* contains data for levels of detail */
 	LodLevel *currentlod;
diff --git a/source/blender/makesdna/DNA_view3d_types.h b/source/blender/makesdna/DNA_view3d_types.h
index 5574ab3a6a1..7620d674b1e 100644
--- a/source/blender/makesdna/DNA_view3d_types.h
+++ b/source/blender/makesdna/DNA_view3d_types.h
@@ -133,7 +133,7 @@ typedef struct View3DCursor {
 	char _pad[4];
 } View3DCursor;
 
-/* 3D Viewport Shading setings */
+/* 3D Viewport Shading settings */
 typedef struct View3DShading {
 	short type;        /* Shading type (VIEW3D_SHADE_SOLID, ..) */
 	short prev_type;   /* Runtime, for toggle between rendered viewport. */
@@ -165,7 +165,7 @@ typedef struct View3DShading {
 
 } View3DShading;
 
-/* 3D Viewport Overlay setings */
+/* 3D Viewport Overlay settings */
 typedef struct View3DOverlay {
 	int flag;
 
@@ -190,7 +190,7 @@ typedef struct View3DOverlay {
 	float wireframe_threshold;
 	char _pad0[4];
 
-	/* grease pencil setttings */
+	/* grease pencil settings */
 	float gpencil_grid_scale;
 	float gpencil_paper_opacity;
 	int   gpencil_grid_lines;
diff --git a/source/blender/makesdna/DNA_workspace_types.h b/source/blender/makesdna/DNA_workspace_types.h
index 296fa8a713c..7f14dc448e2 100644
--- a/source/blender/makesdna/DNA_workspace_types.h
+++ b/source/blender/makesdna/DNA_workspace_types.h
@@ -195,7 +195,7 @@ typedef struct WorkSpaceDataRelation {
 #endif /* DNA_PRIVATE_WORKSPACE_READ_WRITE */
 
 /**
- * Little wrapper to store data that is going to be per window, but comming from the workspace.
+ * Little wrapper to store data that is going to be per window, but coming from the workspace.
  * It allows us to keep workspace and window data completely separate.
  */
 typedef struct WorkSpaceInstanceHook {
diff --git a/source/blender/makesrna/RNA_types.h b/source/blender/makesrna/RNA_types.h
index 7ad20fa65d3..f71969d0307 100644
--- a/source/blender/makesrna/RNA_types.h
+++ b/source/blender/makesrna/RNA_types.h
@@ -247,7 +247,7 @@ typedef enum PropertyFlag {
 /* Flags related to comparing and overriding RNA properties. Make sure enums are updated with these */
 /* FREE FLAGS: 2, 3, 4, 5, 6, 7, 8, 9, 12 and above. */
 typedef enum PropertyOverrideFlag {
-	/* Means the property can be overriden by a local 'proxy' of some linked datablock. */
+	/* Means the property can be overridden by a local 'proxy' of some linked datablock. */
 	PROPOVERRIDE_OVERRIDABLE_STATIC = (1 << 0),
 
 	/* Forbid usage of this property in comparison (& hence override) code.
diff --git a/source/blender/makesrna/intern/rna_access.c b/source/blender/makesrna/intern/rna_access.c
index a0c34afa7ed..bd0b3e9d760 100644
--- a/source/blender/makesrna/intern/rna_access.c
+++ b/source/blender/makesrna/intern/rna_access.c
@@ -7516,13 +7516,13 @@ static bool rna_property_override_operation_apply(
 	}
 
 	if (ELEM(override_op, IDOVERRIDESTATIC_OP_ADD, IDOVERRIDESTATIC_OP_SUBTRACT, IDOVERRIDESTATIC_OP_MULTIPLY) && !ptr_storage) {
-		/* We cannot apply 'diff' override operations without some refference storage.
+		/* We cannot apply 'diff' override operations without some reference storage.
 		 * This should typically only happen at read time of .blend file... */
 		return false;
 	}
 
 	if (ELEM(override_op, IDOVERRIDESTATIC_OP_ADD, IDOVERRIDESTATIC_OP_SUBTRACT, IDOVERRIDESTATIC_OP_MULTIPLY) && !prop_storage) {
-		/* We cannot apply 'diff' override operations without some refference storage.
+		/* We cannot apply 'diff' override operations without some reference storage.
 		 * This should typically only happen at read time of .blend file... */
 		return false;
 	}
@@ -7582,7 +7582,7 @@ static bool rna_property_override_operation_apply(
 }
 
 /**
- * Check whether reference and local overriden data match (are the same),
+ * Check whether reference and local overridden data match (are the same),
  * with respect to given restrictive sets of properties.
  * If requested, will generate needed new property overrides, and/or restore values from reference.
  *
diff --git a/source/blender/makesrna/intern/rna_gpencil_modifier.c b/source/blender/makesrna/intern/rna_gpencil_modifier.c
index ec8adeaddda..b7093d50d51 100644
--- a/source/blender/makesrna/intern/rna_gpencil_modifier.c
+++ b/source/blender/makesrna/intern/rna_gpencil_modifier.c
@@ -654,7 +654,7 @@ static void rna_def_modifier_gpenciloffset(BlenderRNA *brna)
 
 	prop = RNA_def_property(srna, "rotation", PROP_FLOAT, PROP_EULER);
 	RNA_def_property_float_sdna(prop, NULL, "rot");
-	RNA_def_property_ui_text(prop, "Rotation", "Values for chages in rotation");
+	RNA_def_property_ui_text(prop, "Rotation", "Values for changes in rotation");
 	RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, RNA_TRANSLATION_PREC_DEFAULT);
 	RNA_def_property_update(prop, 0, "rna_GpencilModifier_update");
 
@@ -891,7 +891,7 @@ static void rna_def_modifier_gpencilinstance(BlenderRNA *brna)
 
 	prop = RNA_def_property(srna, "rotation", PROP_FLOAT, PROP_EULER);
 	RNA_def_property_float_sdna(prop, NULL, "rot");
-	RNA_def_property_ui_text(prop, "Rotation", "Value for chages in rotation");
+	RNA_def_property_ui_text(prop, "Rotation", "Value for changes in rotation");
 	RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, RNA_TRANSLATION_PREC_DEFAULT);
 	RNA_def_property_update(prop, 0, "rna_GpencilModifier_update");
 
diff --git a/source/blender/makesrna/intern/rna_lightprobe.c b/source/blender/makesrna/intern/rna_lightprobe.c
index cae06b5aa89..87d457a9048 100644
--- a/source/blender/makesrna/intern/rna_lightprobe.c
+++ b/source/blender/makesrna/intern/rna_lightprobe.c
@@ -215,7 +215,7 @@ static void rna_def_lightprobe(BlenderRNA *brna)
 	/* Data preview */
 	prop = RNA_def_property(srna, "show_data", PROP_BOOLEAN, PROP_NONE);
 	RNA_def_property_boolean_sdna(prop, NULL, "flag", LIGHTPROBE_FLAG_SHOW_DATA);
-	RNA_def_property_ui_text(prop, "Show Data", "Show captured lighting data into the 3D view for debuging purpose");
+	RNA_def_property_ui_text(prop, "Show Data", "Show captured lighting data into the 3D view for debugging purpose");
 	RNA_def_property_update(prop, NC_MATERIAL | ND_SHADING, NULL);
 
 	/* common */
diff --git a/source/blender/makesrna/intern/rna_main_api.c b/source/blender/makesrna/intern/rna_main_api.c
index 6e68eb51ff8..3f486b0e477 100644
--- a/source/blender/makesrna/intern/rna_main_api.c
+++ b/source/blender/makesrna/intern/rna_main_api.c
@@ -887,7 +887,7 @@ void RNA_def_main_meshes(BlenderRNA *brna, PropertyRNA *cprop)
 	func = RNA_def_function(srna, "new_from_object", "rna_Main_meshes_new_from_object");
 	RNA_def_function_ui_description(func, "Add a new mesh created from object with modifiers applied");
 	RNA_def_function_flag(func, FUNC_USE_REPORTS);
-	parm = RNA_def_pointer(func, "depsgraph", "Depsgraph", "Dependency Graph", "Evaluated dependency graph within wich to evaluate modifiers");
+	parm = RNA_def_pointer(func, "depsgraph", "Depsgraph", "Dependency Graph", "Evaluated dependency graph within which to evaluate modifiers");
 	RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
 	parm = RNA_def_pointer(func, "object", "Object", "", "Object to create mesh from");
 	RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
diff --git a/source/blender/makesrna/intern/rna_object_api.c b/source/blender/makesrna/intern/rna_object_api.c
index 1a6c51cccca..b5e3ce4fd28 100644
--- a/source/blender/makesrna/intern/rna_object_api.c
+++ b/source/blender/makesrna/intern/rna_object_api.c
@@ -590,7 +590,7 @@ void RNA_api_object(StructRNA *srna)
 	func = RNA_def_function(srna, "to_mesh", "rna_Object_to_mesh");
 	RNA_def_function_ui_description(func, "Create a Mesh data-block with modifiers applied");
 	RNA_def_function_flag(func, FUNC_USE_REPORTS | FUNC_USE_CONTEXT);
-	parm = RNA_def_pointer(func, "depsgraph", "Depsgraph", "Dependency Graph", "Evaluated dependency graph within wich to evaluate modifiers");
+	parm = RNA_def_pointer(func, "depsgraph", "Depsgraph", "Dependency Graph", "Evaluated dependency graph within which to evaluate modifiers");
 	RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
 	parm = RNA_def_boolean(func, "apply_modifiers", 0, "", "Apply modifiers");
 	RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
diff --git a/source/blender/makesrna/intern/rna_particle.c b/source/blender/makesrna/intern/rna_particle.c
index 49678664ef4..1abba3979f0 100644
--- a/source/blender/makesrna/intern/rna_particle.c
+++ b/source/blender/makesrna/intern/rna_particle.c
@@ -2331,7 +2331,7 @@ static void rna_def_particle_settings(BlenderRNA *brna)
 
 	prop = RNA_def_property(srna, "use_group_count", PROP_BOOLEAN, PROP_NONE);
 	RNA_def_property_boolean_sdna(prop, NULL, "draw", PART_DRAW_COUNT_GR);
-	RNA_def_property_ui_text(prop, "Use Count", "Use object multiple times in the same collecton");
+	RNA_def_property_ui_text(prop, "Use Count", "Use object multiple times in the same collection");
 	RNA_def_property_update(prop, 0, "rna_Particle_redo_count");
 
 	prop = RNA_def_property(srna, "use_global_dupli", PROP_BOOLEAN, PROP_NONE);
diff --git a/source/blender/makesrna/intern/rna_rna.c b/source/blender/makesrna/intern/rna_rna.c
index 068f71c4080..cb2ef85d713 100644
--- a/source/blender/makesrna/intern/rna_rna.c
+++ b/source/blender/makesrna/intern/rna_rna.c
@@ -1333,7 +1333,7 @@ int rna_property_override_diff_default(
 						}
 					}
 					else {
-						/* Already overriden prop, we'll have to check arrays items etc. */
+						/* Already overridden prop, we'll have to check arrays items etc. */
 					}
 				}
 
@@ -1391,7 +1391,7 @@ int rna_property_override_diff_default(
 						}
 					}
 					else {
-						/* Already overriden prop, we'll have to check arrays items etc. */
+						/* Already overridden prop, we'll have to check arrays items etc. */
 					}
 				}
 
@@ -1450,7 +1450,7 @@ int rna_property_override_diff_default(
 						}
 					}
 					else {
-						/* Already overriden prop, we'll have to check arrays items etc. */
+						/* Already overridden prop, we'll have to check arrays items etc. */
 					}
 				}
 
@@ -1788,7 +1788,7 @@ bool rna_property_override_store_default(
 	}
 
 	/* XXX TODO About range limits.
-	 * Ideally, it woudl be great to get rid of RNA range in that specific case.
+	 * Ideally, it would be great to get rid of RNA range in that specific case.
 	 * However, this won't be that easy and will add yet another layer of complexity in generated code,
 	 * not to mention that we could most likely *not* bypass custom setters anyway.
 	 * So for now, if needed second operand value is not in valid range, we simply fall back
diff --git a/source/blender/makesrna/intern/rna_scene.c b/source/blender/makesrna/intern/rna_scene.c
index 166f0b4dd0f..2c457aaaa60 100644
--- a/source/blender/makesrna/intern/rna_scene.c
+++ b/source/blender/makesrna/intern/rna_scene.c
@@ -3840,7 +3840,7 @@ static void rna_def_gpu_dof_fx(BlenderRNA *brna)
 	RNA_def_property_update(prop, NC_SPACE | ND_SPACE_VIEW3D, "rna_GPUDOFSettings_update");
 
 	prop = RNA_def_property(srna, "rotation", PROP_FLOAT, PROP_ANGLE);
-	RNA_def_property_ui_text(prop, "Rotation", "Rotation of blades in apperture");
+	RNA_def_property_ui_text(prop, "Rotation", "Rotation of blades in aperture");
 	RNA_def_property_range(prop, -M_PI, M_PI);
 	RNA_def_property_update(prop, NC_SPACE | ND_SPACE_VIEW3D, NULL);
 
@@ -5658,7 +5658,7 @@ static void rna_def_scene_eevee(BlenderRNA *brna)
 	prop = RNA_def_property(srna, "use_sss_separate_albedo", PROP_BOOLEAN, PROP_NONE);
 	RNA_def_property_boolean_sdna(prop, NULL, "flag", SCE_EEVEE_SSS_SEPARATE_ALBEDO);
 	RNA_def_property_boolean_default(prop, 0);
-	RNA_def_property_ui_text(prop, "Separate Albedo", "Avoid albedo being blured by the subsurface scattering "
+	RNA_def_property_ui_text(prop, "Separate Albedo", "Avoid albedo being blurred by the subsurface scattering "
 	                                                  "but uses more video memory");
 	RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_STATIC);
 
@@ -5840,7 +5840,7 @@ static void rna_def_scene_eevee(BlenderRNA *brna)
 	prop = RNA_def_property(srna, "use_bloom", PROP_BOOLEAN, PROP_NONE);
 	RNA_def_property_boolean_sdna(prop, NULL, "flag", SCE_EEVEE_BLOOM_ENABLED);
 	RNA_def_property_boolean_default(prop, 0);
-	RNA_def_property_ui_text(prop, "Bloom", "High brighness pixels generate a glowing effect");
+	RNA_def_property_ui_text(prop, "Bloom", "High brightness pixels generate a glowing effect");
 	RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_STATIC);
 
 	prop = RNA_def_property(srna, "bloom_threshold", PROP_FLOAT, PROP_FACTOR);
diff --git a/source/blender/makesrna/intern/rna_shader_fx.c b/source/blender/makesrna/intern/rna_shader_fx.c
index 4b77e504a38..2c09cfa787e 100644
--- a/source/blender/makesrna/intern/rna_shader_fx.c
+++ b/source/blender/makesrna/intern/rna_shader_fx.c
@@ -250,7 +250,7 @@ static void rna_def_shader_fx_colorize(BlenderRNA *brna)
 	RNA_def_property_range(prop, 0.0, 1.0);
 	RNA_def_property_float_sdna(prop, NULL, "high_color");
 	RNA_def_property_array(prop, 4);
-	RNA_def_property_ui_text(prop, "Hight color", "Second color used for effect");
+	RNA_def_property_ui_text(prop, "Height color", "Second color used for effect");
 	RNA_def_property_update(prop, NC_OBJECT | ND_MODIFIER, "rna_ShaderFx_update");
 
 	prop = RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
diff --git a/source/blender/windowmanager/gizmo/intern/wm_gizmo.c b/source/blender/windowmanager/gizmo/intern/wm_gizmo.c
index 14deb0be725..6abc37a893f 100644
--- a/source/blender/windowmanager/gizmo/intern/wm_gizmo.c
+++ b/source/blender/windowmanager/gizmo/intern/wm_gizmo.c
@@ -627,7 +627,7 @@ void WM_gizmo_calc_matrix_final(const wmGizmo *gz, float r_mat[4][4])
 	);
 }
 
-/** \name Gizmo Propery Access
+/** \name Gizmo Property Access
  *
  * Matches `WM_operator_properties` conventions.
  *
@@ -700,7 +700,7 @@ void WM_gizmo_properties_sanitize(PointerRNA *ptr, const bool no_context)
 /** set all props to their default,
  * \param do_update Only update un-initialized props.
  *
- * \note, theres nothing specific to gizmos here.
+ * \note, there's nothing specific to gizmos here.
  * this could be made a general function.
  */
 bool WM_gizmo_properties_default(PointerRNA *ptr, const bool do_update)
diff --git a/source/blender/windowmanager/intern/wm_draw.c b/source/blender/windowmanager/intern/wm_draw.c
index c869ec90469..b76fc0abfa7 100644
--- a/source/blender/windowmanager/intern/wm_draw.c
+++ b/source/blender/windowmanager/intern/wm_draw.c
@@ -553,7 +553,7 @@ static void wm_draw_window_offscreen(bContext *C, wmWindow *win, bool stereo)
 			CTX_wm_menu_set(C, ar);
 
 			if (ar->type && ar->type->layout) {
-				/* UI code reads the OpenGL state, but we have to refesh
+				/* UI code reads the OpenGL state, but we have to refresh
 				 * the UI layout beforehand in case the menu size changes. */
 				wmViewport(&ar->winrct);
 				ar->type->layout(C, ar);
diff --git a/source/blender/windowmanager/intern/wm_event_system.c b/source/blender/windowmanager/intern/wm_event_system.c
index f013a0889cf..a51eb3a529c 100644
--- a/source/blender/windowmanager/intern/wm_event_system.c
+++ b/source/blender/windowmanager/intern/wm_event_system.c
@@ -2882,7 +2882,7 @@ void wm_event_do_handlers(bContext *C)
 		bScreen *screen = WM_window_get_active_screen(win);
 		wmEvent *event;
 
-		/* some safty checks - these should always be set! */
+		/* some safety checks - these should always be set! */
 		BLI_assert(WM_window_get_active_scene(win));
 		BLI_assert(WM_window_get_active_screen(win));
 		BLI_assert(WM_window_get_active_workspace(win));
diff --git a/source/blender/windowmanager/intern/wm_files.c b/source/blender/windowmanager/intern/wm_files.c
index f461fdc1a63..24883ee9d7d 100644
--- a/source/blender/windowmanager/intern/wm_files.c
+++ b/source/blender/windowmanager/intern/wm_files.c
@@ -1221,7 +1221,7 @@ static int wm_file_write(bContext *C, const char *filepath, int fileflags, Repor
 
 	/* blend file thumbnail */
 	/* save before exit_editmode, otherwise derivedmeshes for shared data corrupt #27765) */
-	/* Main now can store a .blend thumbnail, usefull for background mode or thumbnail customization. */
+	/* Main now can store a .blend thumbnail, useful for background mode or thumbnail customization. */
 	main_thumb = thumb = bmain->blen_thumb;
 	if ((U.flag & USER_SAVE_PREVIEWS) && BLI_thread_is_main()) {
 		ibuf_thumb = blend_file_thumb(C, CTX_data_scene(C), CTX_wm_screen(C), &thumb);
diff --git a/source/blender/windowmanager/intern/wm_stereo.c b/source/blender/windowmanager/intern/wm_stereo.c
index 577145aff95..aa85dbc04b4 100644
--- a/source/blender/windowmanager/intern/wm_stereo.c
+++ b/source/blender/windowmanager/intern/wm_stereo.c
@@ -403,7 +403,7 @@ int wm_stereo3d_set_exec(bContext *C, wmOperator *op)
 	if (prev_display_mode == S3D_DISPLAY_PAGEFLIP &&
 	    prev_display_mode != win_src->stereo3d_format->display_mode)
 	{
-		/* in case the hardward supports pageflip but not the display */
+		/* in case the hardware supports pageflip but not the display */
 		if ((win_dst = wm_window_copy_test(C, win_src, false, false))) {
 			/* pass */
 		}
diff --git a/source/blender/windowmanager/intern/wm_window.c b/source/blender/windowmanager/intern/wm_window.c
index 6ba5db20c07..c460ea88474 100644
--- a/source/blender/windowmanager/intern/wm_window.c
+++ b/source/blender/windowmanager/intern/wm_window.c
@@ -2043,7 +2043,7 @@ void WM_window_screen_rect_calc(const wmWindow *win, rcti *r_rect)
 	WM_window_rect_calc(win, &window_rect);
 	screen_rect = window_rect;
 
-	/* Substract global areas from screen rectangle. */
+	/* Subtract global areas from screen rectangle. */
 	for (ScrArea *global_area = win->global_areas.areabase.first; global_area; global_area = global_area->next) {
 		int height = ED_area_global_size_y(global_area) - 1;
 
diff --git a/source/blender/windowmanager/wm_event_system.h b/source/blender/windowmanager/wm_event_system.h
index 1dcd0cb62d0..a0610ffcff3 100644
--- a/source/blender/windowmanager/wm_event_system.h
+++ b/source/blender/windowmanager/wm_event_system.h
@@ -40,7 +40,7 @@
 struct ScrArea;
 struct ARegion;
 
-/* wmKeyMap is in DNA_windowmanager.h, it's savable */
+/* wmKeyMap is in DNA_windowmanager.h, it's saveable */
 
 struct wmEventHandler_KeymapFn {
 	void (*handle_post_fn)(wmKeyMap *keymap, wmKeyMapItem *kmi, void *user_data);