UI: Fix Typos in Comments and Docs

Approximately 91 spelling corrections, almost all in comments.

Differential Revision: https://developer.blender.org/D10288

Reviewed by Harley Acheson

76 files changed, 92 insertions, 92 deletions

diff --git a/source/blender/blendthumb/src/Dll.cpp b/source/blender/blendthumb/src/Dll.cpp
index 8a8ae8c9996..6516540034e 100644
--- a/source/blender/blendthumb/src/Dll.cpp
+++ b/source/blender/blendthumb/src/Dll.cpp
@@ -160,7 +160,7 @@ struct REGISTRY_ENTRY {
   PCWSTR pszValueName;
   DWORD dwValueType;
   PCWSTR pszData;  // These two fields could/should have been a union, but C++
-  DWORD dwData;    // only lets you initalize the first field in a union.
+  DWORD dwData;    // only lets you initialize the first field in a union.
 };
 
 // Creates a registry key (if needed) and sets the default value of the key
diff --git a/source/blender/blenkernel/BKE_attribute_access.hh b/source/blender/blenkernel/BKE_attribute_access.hh
index bca96aac665..55c8b36669d 100644
--- a/source/blender/blenkernel/BKE_attribute_access.hh
+++ b/source/blender/blenkernel/BKE_attribute_access.hh
@@ -128,7 +128,7 @@ class WriteAttribute {
   void *array_buffer_ = nullptr;
   /* True, when the buffer points to a temporary array. */
   bool array_is_temporary_ = false;
-  /* This helps to protect agains forgetting to apply changes done to the array. */
+  /* This helps to protect against forgetting to apply changes done to the array. */
   bool array_should_be_applied_ = false;
 
  public:
diff --git a/source/blender/blenkernel/BKE_lib_query.h b/source/blender/blenkernel/BKE_lib_query.h
index b6abe0bf18c..bdda5bb0372 100644
--- a/source/blender/blenkernel/BKE_lib_query.h
+++ b/source/blender/blenkernel/BKE_lib_query.h
@@ -77,7 +77,7 @@ enum {
   IDWALK_CB_USER = (1 << 8),
   /**
    * This ID usage is not refcounted, but at least one user should be generated by it (to avoid
-   * e.g. loosing the used ID on save/reload).
+   * e.g. losing the used ID on save/reload).
    * Callback is responsible to deal accordingly with #ID.us if needed.
    */
   IDWALK_CB_USER_ONE = (1 << 9),
diff --git a/source/blender/blenkernel/BKE_subdiv_ccg.h b/source/blender/blenkernel/BKE_subdiv_ccg.h
index f0ca154c4b9..b7d4ab8d8ed 100644
--- a/source/blender/blenkernel/BKE_subdiv_ccg.h
+++ b/source/blender/blenkernel/BKE_subdiv_ccg.h
@@ -293,7 +293,7 @@ bool BKE_subdiv_ccg_check_coord_valid(const SubdivCCG *subdiv_ccg, const SubdivC
  *   neighbor elements in total).
  *
  * - For the corner element a single neighboring element on every adjacent edge, single from
- *   every gird.
+ *   every grid.
  *
  * - For the boundary element two neighbor elements on the boundary (from same grid) and one
  *   element inside of every neighboring grid. */
diff --git a/source/blender/blenkernel/intern/anim_sys.c b/source/blender/blenkernel/intern/anim_sys.c
index aef5fad269f..965dc4e0bec 100644
--- a/source/blender/blenkernel/intern/anim_sys.c
+++ b/source/blender/blenkernel/intern/anim_sys.c
@@ -1594,7 +1594,7 @@ static bool nla_combine_get_inverted_strip_value(const int mix_mode,
       if (IS_EQF(base_value, 0.0f)) {
         base_value = 1.0f;
       }
-      /* Divison by zero. */
+      /* Division by zero. */
       if (IS_EQF(lower_value, 0.0f)) {
         /* Resolve 0/0 to 1. */
         if (IS_EQF(blended_value, 0.0f)) {
diff --git a/source/blender/blenkernel/intern/brush.c b/source/blender/blenkernel/intern/brush.c
index 28c8ae3e416..9fbefacbece 100644
--- a/source/blender/blenkernel/intern/brush.c
+++ b/source/blender/blenkernel/intern/brush.c
@@ -375,7 +375,7 @@ static int brush_undo_preserve_cb(LibraryIDLinkCallbackData *cb_data)
 
 static void brush_undo_preserve(BlendLibReader *reader, ID *id_new, ID *id_old)
 {
-  /* Whole Brush is preserved accross undo's. */
+  /* Whole Brush is preserved across undos. */
   BKE_lib_id_swap(NULL, id_new, id_old);
 
   /* `id_new` now has content from `id_old`, we need to ensure those old ID pointers are valid.
diff --git a/source/blender/blenkernel/intern/constraint.c b/source/blender/blenkernel/intern/constraint.c
index 0bf27a50a32..d04a27adec8 100644
--- a/source/blender/blenkernel/intern/constraint.c
+++ b/source/blender/blenkernel/intern/constraint.c
@@ -4693,7 +4693,7 @@ static void pivotcon_evaluate(bConstraint *con, bConstraintOb *cob, ListBase *ta
   copy_m3_m4(rotMat, cob->matrix);
   normalize_m3(rotMat);
 
-  /* correct the pivot by the rotation axis otherwise the pivot translates when it shouldnt */
+  /* correct the pivot by the rotation axis otherwise the pivot translates when it shouldn't */
   mat3_normalized_to_axis_angle(axis, &angle, rotMat);
   if (angle) {
     float dvec[3];
diff --git a/source/blender/blenkernel/intern/fcurve.c b/source/blender/blenkernel/intern/fcurve.c
index ce710e2f7d4..8e1fa9732ea 100644
--- a/source/blender/blenkernel/intern/fcurve.c
+++ b/source/blender/blenkernel/intern/fcurve.c
@@ -1110,7 +1110,7 @@ void fcurve_samples_to_keyframes(FCurve *fcu, const int start, const int end)
 
   if (fcu->fpt == NULL) {
     /* No data to unbake. */
-    CLOG_ERROR(&LOG, "Error: Curve containts no baked keyframes");
+    CLOG_ERROR(&LOG, "Error: Curve contains no baked keyframes");
     return;
   }
 
diff --git a/source/blender/blenkernel/intern/mask_evaluate.c b/source/blender/blenkernel/intern/mask_evaluate.c
index a42836b5399..69f60ca0384 100644
--- a/source/blender/blenkernel/intern/mask_evaluate.c
+++ b/source/blender/blenkernel/intern/mask_evaluate.c
@@ -665,7 +665,7 @@ static float (*mask_spline_feather_differentiated_points_with_resolution__double
 
     len_feather = len_v2v2(bezt_prev->vec[1], bezt_curr->vec[1]);
 
-    /* scale by chane in length */
+    /* scale by change in length */
     len_scalar = len_feather / len_base;
     dist_ensure_v2_v2fl(bezt_prev->vec[2],
                         bezt_prev->vec[1],
diff --git a/source/blender/blenkernel/intern/mesh.c b/source/blender/blenkernel/intern/mesh.c
index 622f6d7a7b8..c15484f8e72 100644
--- a/source/blender/blenkernel/intern/mesh.c
+++ b/source/blender/blenkernel/intern/mesh.c
@@ -1219,7 +1219,7 @@ int test_index_face(MFace *mface, CustomData *fdata, int mfindex, int nr)
   }
 
   /* Check corrupt cases, bow-tie geometry,
-   * cant handle these because edge data wont exist so just return 0. */
+   * can't handle these because edge data won't exist so just return 0. */
   if (nr == 3) {
     if (
         /* real edges */
diff --git a/source/blender/blenkernel/intern/mesh_fair.cc b/source/blender/blenkernel/intern/mesh_fair.cc
index 75dd396d10a..ac6dd96ed90 100644
--- a/source/blender/blenkernel/intern/mesh_fair.cc
+++ b/source/blender/blenkernel/intern/mesh_fair.cc
@@ -475,7 +475,7 @@ static void prefair_and_fair_vertices(FairingContext *fairing_context,
 
   /* Fair. */
   VoronoiVertexWeight *voronoi_vertex_weights = new VoronoiVertexWeight(fairing_context);
-  /* TODO: Implemente cotangent loop weights. */
+  /* TODO: Implement cotangent loop weights. */
   fairing_context->fair_vertices(
       affected_vertices, depth, voronoi_vertex_weights, uniform_loop_weights);
 
diff --git a/source/blender/blenkernel/intern/mesh_validate.cc b/source/blender/blenkernel/intern/mesh_validate.cc
index 0aaca33124a..0b0aeb50d37 100644
--- a/source/blender/blenkernel/intern/mesh_validate.cc
+++ b/source/blender/blenkernel/intern/mesh_validate.cc
@@ -263,6 +263,6 @@ void BKE_mesh_calc_edges(Mesh *mesh, bool keep_existing_edges, const bool select
   mesh->totedge = new_totedge;
   mesh->medge = new_edges.data();
 
-  /* Explicitely clear edge maps, because that way it can be parallelized. */
+  /* Explicitly clear edge maps, because that way it can be parallelized. */
   clear_hash_tables(edge_maps);
 }
diff --git a/source/blender/blenkernel/intern/paint.c b/source/blender/blenkernel/intern/paint.c
index 13f4304f923..98ee9e1da75 100644
--- a/source/blender/blenkernel/intern/paint.c
+++ b/source/blender/blenkernel/intern/paint.c
@@ -127,7 +127,7 @@ static void palette_blend_read_data(BlendDataReader *reader, ID *id)
 
 static void palette_undo_preserve(BlendLibReader *UNUSED(reader), ID *id_new, ID *id_old)
 {
-  /* Whole Palette is preserved accross undo's, and it has no extra pointer, simple. */
+  /* Whole Palette is preserved across undos, and it has no extra pointer, simple. */
   /* Note: We do not care about potential internal references to self here, Palette has none. */
   /* Note: We do not swap IDProperties, as dealing with potential ID pointers in those would be
    *       fairly delicate. */
diff --git a/source/blender/blenkernel/intern/particle.c b/source/blender/blenkernel/intern/particle.c
index ec3b6198d7c..21d1e070389 100644
--- a/source/blender/blenkernel/intern/particle.c
+++ b/source/blender/blenkernel/intern/particle.c
@@ -2304,7 +2304,7 @@ void psys_particle_on_emitter(ParticleSystemModifierData *psmd,
       }
       return;
     }
-    /* we cant use the num_dmcache */
+    /* we can't use the num_dmcache */
     psys_particle_on_dm(
         psmd->mesh_final, from, index, index_dmcache, fuv, foffset, vec, nor, utan, vtan, orco);
   }
diff --git a/source/blender/blenkernel/intern/tracking_test.cc b/source/blender/blenkernel/intern/tracking_test.cc
index 2877d8db358..a3845dcad8f 100644
--- a/source/blender/blenkernel/intern/tracking_test.cc
+++ b/source/blender/blenkernel/intern/tracking_test.cc
@@ -138,7 +138,7 @@ TEST_F(TrackingTest, BKE_tracking_marker_get_interpolated)
     BKE_tracking_track_free(&track);
   }
 
-  /* More comprehensive test, which resembles real life trackign scenario better. */
+  /* More comprehensive test, which resembles real-life tracking scenario better. */
   {
     MovieTrackingTrack track = {nullptr};
 
diff --git a/source/blender/blenkernel/intern/volume.cc b/source/blender/blenkernel/intern/volume.cc
index 77cfb3ffea5..edf40ab3861 100644
--- a/source/blender/blenkernel/intern/volume.cc
+++ b/source/blender/blenkernel/intern/volume.cc
@@ -145,7 +145,7 @@ static struct VolumeFileCache {
 
     /* Has the grid tree been loaded? */
     bool is_loaded;
-    /* Error message if an error occured during loading. */
+    /* Error message if an error occurred while loading. */
     std::string error_msg;
     /* User counting. */
     int num_metadata_users;
diff --git a/source/blender/blenlib/intern/BLI_kdopbvh.c b/source/blender/blenlib/intern/BLI_kdopbvh.c
index e1e71b02615..a0e94e00634 100644
--- a/source/blender/blenlib/intern/BLI_kdopbvh.c
+++ b/source/blender/blenlib/intern/BLI_kdopbvh.c
@@ -1312,7 +1312,7 @@ BVHTreeOverlap *BLI_bvhtree_overlap_ex(
   bool use_threading = (flag & BVH_OVERLAP_USE_THREADING) != 0 &&
                        (tree1->totleaf > KDOPBVH_THREAD_LEAF_THRESHOLD);
 
-  /* `RETURN_PAIRS` was not implemented without `max_interations`. */
+  /* 'RETURN_PAIRS' was not implemented without 'max_interactions'. */
   BLI_assert(overlap_pairs || max_interactions);
 
   const int root_node_len = BLI_bvhtree_overlap_thread_num(tree1);
diff --git a/source/blender/blenlib/intern/path_util.c b/source/blender/blenlib/intern/path_util.c
index 39f5abc4cd8..b076d0f09c1 100644
--- a/source/blender/blenlib/intern/path_util.c
+++ b/source/blender/blenlib/intern/path_util.c
@@ -1375,7 +1375,7 @@ void BLI_make_file_string(const char *relabase, char *string, const char *dir, c
     }
   }
   else {
-    return; /* string is NULL, probably shouldnt happen but return anyway */
+    return; /* string is NULL, probably shouldn't happen but return anyway */
   }
 
   /* Resolve relative references */
diff --git a/source/blender/bmesh/intern/bmesh_opdefines.c b/source/blender/bmesh/intern/bmesh_opdefines.c
index a259d97379d..a4e0d46e544 100644
--- a/source/blender/bmesh/intern/bmesh_opdefines.c
+++ b/source/blender/bmesh/intern/bmesh_opdefines.c
@@ -731,7 +731,7 @@ static BMOpDefine bmo_edgenet_fill_def = {
  *
  * - One single loop; an edge is added to connect the ends
  * - Two loops; two edges are added to connect the endpoints (based on the
- *   shortest distance between each endpont).
+ *   shortest distance between each endpoint).
  */
 static BMOpDefine bmo_edgenet_prepare_def = {
   "edgenet_prepare",
diff --git a/source/blender/datatoc/CMakeLists.txt b/source/blender/datatoc/CMakeLists.txt
index 27dc01f1750..8411a1a468e 100644
--- a/source/blender/datatoc/CMakeLists.txt
+++ b/source/blender/datatoc/CMakeLists.txt
@@ -53,7 +53,7 @@ if(NOT WITH_HEADLESS)
 
   include_directories(${PNG_INCLUDE_DIRS})
   if(NOT APPLE)
-    # APPLE plaform uses full paths for linking libraries.
+    # APPLE platform uses full paths for linking libraries.
     link_directories(${PNG_LIBPATH} ${ZLIB_LIBPATH})
   endif()
 
diff --git a/source/blender/depsgraph/intern/builder/deg_builder_relations.cc b/source/blender/depsgraph/intern/builder/deg_builder_relations.cc
index ffddb196ae4..96b4da34347 100644
--- a/source/blender/depsgraph/intern/builder/deg_builder_relations.cc
+++ b/source/blender/depsgraph/intern/builder/deg_builder_relations.cc
@@ -2496,7 +2496,7 @@ void DepsgraphRelationBuilder::build_material(Material *material)
   /* Animated / driven parameters (without nodetree). */
   OperationKey material_key(&material->id, NodeType::SHADING, OperationCode::MATERIAL_UPDATE);
   ComponentKey parameters_key(&material->id, NodeType::PARAMETERS);
-  add_relation(parameters_key, material_key, "Material's paramters");
+  add_relation(parameters_key, material_key, "Material's parameters");
 
   /* material's nodetree */
   if (material->nodetree != nullptr) {
diff --git a/source/blender/depsgraph/intern/eval/deg_eval_runtime_backup_scene.h b/source/blender/depsgraph/intern/eval/deg_eval_runtime_backup_scene.h
index 007236e7890..d16f5b9b5ce 100644
--- a/source/blender/depsgraph/intern/eval/deg_eval_runtime_backup_scene.h
+++ b/source/blender/depsgraph/intern/eval/deg_eval_runtime_backup_scene.h
@@ -46,7 +46,7 @@ class SceneBackup {
    *
    * NOTE: Scene can not disappear after relations update, because otherwise the entire dependency
    * graph will be gone. This means we don't need to compare original scene pointer, or worry about
-   * freeing those if they cant' be restored: we just copy them over to a new scene. */
+   * freeing those if they can't be restored: we just copy them over to a new scene. */
   void *sound_scene;
   void *playback_handle;
   void *sound_scrub_handle;
diff --git a/source/blender/draw/engines/eevee/eevee_lut_gen.c b/source/blender/draw/engines/eevee/eevee_lut_gen.c
index b74cb6c7687..18645fea5e0 100644
--- a/source/blender/draw/engines/eevee/eevee_lut_gen.c
+++ b/source/blender/draw/engines/eevee/eevee_lut_gen.c
@@ -22,7 +22,7 @@
  * EEVEE LUT generation:
  *
  * Routine to generate the LUT used by eevee stored in eevee_lut.h
- * Theses functions are not to be used in the final executable.
+ * These functions are not to be used in the final executable.
  */
 
 #include "DRW_render.h"
diff --git a/source/blender/draw/engines/eevee/eevee_materials.c b/source/blender/draw/engines/eevee/eevee_materials.c
index 56e4af0b6de..5f2821730f1 100644
--- a/source/blender/draw/engines/eevee/eevee_materials.c
+++ b/source/blender/draw/engines/eevee/eevee_materials.c
@@ -415,7 +415,7 @@ void EEVEE_materials_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata)
   {
     /* Renderpass accumulation. */
     DRWState state = DRW_STATE_WRITE_COLOR | DRW_STATE_DEPTH_EQUAL | DRW_STATE_BLEND_ADD_FULL;
-    /* Create an instance of each of theses passes and link them together. */
+    /* Create an instance of each of these passes and link them together. */
     DRWPass *passes[] = {
         psl->material_ps,
         psl->material_cull_ps,
diff --git a/source/blender/draw/engines/eevee/eevee_motion_blur.c b/source/blender/draw/engines/eevee/eevee_motion_blur.c
index 8dcab579603..0a79d9466e9 100644
--- a/source/blender/draw/engines/eevee/eevee_motion_blur.c
+++ b/source/blender/draw/engines/eevee/eevee_motion_blur.c
@@ -476,7 +476,7 @@ void EEVEE_motion_blur_cache_finish(EEVEE_Data *vedata)
           if (vbo) {
             /* Use the vbo to perform the copy on the GPU. */
             GPU_vertbuf_use(vbo);
-            /* Perform a copy to avoid loosing it after RE_engine_frame_set(). */
+            /* Perform a copy to avoid losing it after RE_engine_frame_set(). */
             mb_geom->vbo[mb_step] = vbo = GPU_vertbuf_duplicate(vbo);
             /* Find and replace "pos" attrib name. */
             GPUVertFormat *format = (GPUVertFormat *)GPU_vertbuf_get_format(vbo);
diff --git a/source/blender/draw/engines/eevee/eevee_private.h b/source/blender/draw/engines/eevee/eevee_private.h
index 9845ec903e5..e48f5f9dd32 100644
--- a/source/blender/draw/engines/eevee/eevee_private.h
+++ b/source/blender/draw/engines/eevee/eevee_private.h
@@ -716,7 +716,7 @@ typedef struct EEVEE_EffectsInfo {
   CameraParams past_cam_params;
   CameraParams current_cam_params;
   char motion_blur_step;         /* Which step we are evaluating. */
-  int motion_blur_max;           /* Maximum distance in pixels a motion blured pixel can cover. */
+  int motion_blur_max;           /* Maximum distance in pixels a motion-blurred pixel can cover. */
   float motion_blur_near_far[2]; /* Camera near/far clip distances (positive). */
   bool cam_params_init;
   /* TODO(fclem): Only used in render mode for now.
diff --git a/source/blender/draw/engines/eevee/eevee_shaders.c b/source/blender/draw/engines/eevee/eevee_shaders.c
index 7a83bebdeca..52d330c3ad2 100644
--- a/source/blender/draw/engines/eevee/eevee_shaders.c
+++ b/source/blender/draw/engines/eevee/eevee_shaders.c
@@ -258,7 +258,7 @@ static void eevee_shader_library_ensure(void)
 {
   if (e_data.lib == NULL) {
     e_data.lib = DRW_shader_library_create();
-    /* NOTE: Theses needs to be ordered by dependencies. */
+    /* NOTE: These need to be ordered by dependencies. */
     DRW_SHADER_LIB_ADD(e_data.lib, common_math_lib);
     DRW_SHADER_LIB_ADD(e_data.lib, common_math_geom_lib);
     DRW_SHADER_LIB_ADD(e_data.lib, common_hair_lib);
diff --git a/source/blender/draw/engines/eevee/shaders/effect_motion_blur_frag.glsl b/source/blender/draw/engines/eevee/shaders/effect_motion_blur_frag.glsl
index 9199eae816d..0aa54715460 100644
--- a/source/blender/draw/engines/eevee/shaders/effect_motion_blur_frag.glsl
+++ b/source/blender/draw/engines/eevee/shaders/effect_motion_blur_frag.glsl
@@ -60,7 +60,7 @@ vec2 sample_weights(float center_depth,
                     float sample_motion_length,
                     float offset_length)
 {
-  /* Clasify foreground/background. */
+  /* Classify foreground/background. */
   vec2 depth_weight = depth_compare(center_depth, sample_depth);
   /* Weight if sample is overlapping or under the center pixel. */
   vec2 spread_weight = spread_compare(center_motion_length, sample_motion_length, offset_length);
diff --git a/source/blender/draw/engines/eevee/shaders/raytrace_lib.glsl b/source/blender/draw/engines/eevee/shaders/raytrace_lib.glsl
index 5f14f590128..aebd1c3aef3 100644
--- a/source/blender/draw/engines/eevee/shaders/raytrace_lib.glsl
+++ b/source/blender/draw/engines/eevee/shaders/raytrace_lib.glsl
@@ -238,7 +238,7 @@ vec3 raycast(int index,
 #endif
   }
 
-  /* Discard backface hits. Only do this if the ray traveled enough to avoid loosing intricate
+  /* Discard backface hits. Only do this if the ray traveled enough to avoid losing intricate
    * contact reflections. This is only used for SSReflections. */
   if (discard_backface && prev_delta < 0.0 && curr_time > 4.1) {
     hit = false;
diff --git a/source/blender/draw/engines/gpencil/shaders/gpencil_common_lib.glsl b/source/blender/draw/engines/gpencil/shaders/gpencil_common_lib.glsl
index 189ed91cbb4..3065d553dce 100644
--- a/source/blender/draw/engines/gpencil/shaders/gpencil_common_lib.glsl
+++ b/source/blender/draw/engines/gpencil/shaders/gpencil_common_lib.glsl
@@ -393,7 +393,7 @@ void stroke_vertex()
     is_squares = false;
   }
 
-  /* Enpoints, we discard the vertices. */
+  /* Endpoints, we discard the vertices. */
   if (ma1.x == -1 || (!is_dot && ma2.x == -1)) {
     discard_vert();
     return;
diff --git a/source/blender/draw/engines/gpencil/shaders/gpencil_vfx_frag.glsl b/source/blender/draw/engines/gpencil/shaders/gpencil_vfx_frag.glsl
index 503248558ad..aedc8668387 100644
--- a/source/blender/draw/engines/gpencil/shaders/gpencil_vfx_frag.glsl
+++ b/source/blender/draw/engines/gpencil/shaders/gpencil_vfx_frag.glsl
@@ -274,7 +274,7 @@ uniform bool isFirstPass;
 vec2 compute_uvs(float x)
 {
   vec2 uv = uvcoordsvar.xy;
-  /* Tranform UV (loc, rot, scale) */
+  /* Transform UV (loc, rot, scale) */
   uv = uv.x * uvRotX + uv.y * uvRotY + uvOffset;
   uv += blurDir * x;
   /* Wave deform. */
diff --git a/source/blender/draw/engines/image/image_shader.c b/source/blender/draw/engines/image/image_shader.c
index 7dc428de2ee..691c0d7029a 100644
--- a/source/blender/draw/engines/image/image_shader.c
+++ b/source/blender/draw/engines/image/image_shader.c
@@ -49,7 +49,7 @@ void IMAGE_shader_library_ensure(void)
 {
   if (e_data.lib == NULL) {
     e_data.lib = DRW_shader_library_create();
-    /* NOTE: Theses needs to be ordered by dependencies. */
+    /* NOTE: These need to be ordered by dependencies. */
     DRW_SHADER_LIB_ADD(e_data.lib, common_colormanagement_lib);
     DRW_SHADER_LIB_ADD(e_data.lib, common_globals_lib);
     DRW_SHADER_LIB_ADD(e_data.lib, common_view_lib);
diff --git a/source/blender/draw/engines/overlay/overlay_extra.c b/source/blender/draw/engines/overlay/overlay_extra.c
index 91e605bf0ae..00429a19cf4 100644
--- a/source/blender/draw/engines/overlay/overlay_extra.c
+++ b/source/blender/draw/engines/overlay/overlay_extra.c
@@ -1176,7 +1176,7 @@ void OVERLAY_camera_cache_populate(OVERLAY_Data *vedata, Object *ob)
   invert_v3(scale);
   for (int i = 0; i < 4; i++) {
     mul_v3_v3(vec[i], scale);
-    /* Project to z=-1 plane. Makes positionning / scaling easier. (see shader) */
+    /* Project to z=-1 plane. Makes positioning / scaling easier. (see shader) */
     mul_v2_fl(vec[i], 1.0f / fabsf(vec[i][2]));
   }
 
diff --git a/source/blender/draw/engines/overlay/overlay_shader.c b/source/blender/draw/engines/overlay/overlay_shader.c
index 88f4e28c039..6b07547bf96 100644
--- a/source/blender/draw/engines/overlay/overlay_shader.c
+++ b/source/blender/draw/engines/overlay/overlay_shader.c
@@ -238,7 +238,7 @@ void OVERLAY_shader_library_ensure(void)
 {
   if (e_data.lib == NULL) {
     e_data.lib = DRW_shader_library_create();
-    /* NOTE: Theses needs to be ordered by dependencies. */
+    /* NOTE: These need to be ordered by dependencies. */
     DRW_SHADER_LIB_ADD(e_data.lib, common_globals_lib);
     DRW_SHADER_LIB_ADD(e_data.lib, common_overlay_lib);
     DRW_SHADER_LIB_ADD(e_data.lib, common_colormanagement_lib);
diff --git a/source/blender/draw/engines/overlay/shaders/antialiasing_frag.glsl b/source/blender/draw/engines/overlay/shaders/antialiasing_frag.glsl
index 2989e07691f..f24aee56bb2 100644
--- a/source/blender/draw/engines/overlay/shaders/antialiasing_frag.glsl
+++ b/source/blender/draw/engines/overlay/shaders/antialiasing_frag.glsl
@@ -146,7 +146,7 @@ void main()
     vec4 lines = vec4(neightbor_line0.z, neightbor_line1.z, neightbor_line2.z, neightbor_line3.z);
     /* Count number of line neighbors. */
     float blend = dot(vec4(0.25), step(0.001, lines));
-    /* Only do blend if there is more than 2 neighbor. This avoid loosing too much AA. */
+    /* Only do blend if there are more than 2 neighbors. This avoids losing too much AA. */
     blend = clamp(blend * 2.0 - 1.0, 0.0, 1.0);
     fragColor = mix(fragColor, fragColor / fragColor.a, blend);
   }
diff --git a/source/blender/draw/engines/overlay/shaders/extra_vert.glsl b/source/blender/draw/engines/overlay/shaders/extra_vert.glsl
index 89bc0bcf522..74854dc0f8d 100644
--- a/source/blender/draw/engines/overlay/shaders/extra_vert.glsl
+++ b/source/blender/draw/engines/overlay/shaders/extra_vert.glsl
@@ -222,7 +222,7 @@ void main()
   edgePos = edgeStart = ((gl_Position.xy / gl_Position.w) * 0.5 + 0.5) * sizeViewport.xy;
 
 #ifdef SELECT_EDGES
-  /* HACK: to avoid loosing sub pixel object in selections, we add a bit of randomness to the
+  /* HACK: to avoid losing sub-pixel object in selections, we add a bit of randomness to the
    * wire to at least create one fragment that will pass the occlusion query. */
   /* TODO(fclem): Limit this workaround to selection. It's not very noticeable but still... */
   gl_Position.xy += sizeViewportInv.xy * gl_Position.w * ((gl_VertexID % 2 == 0) ? -1.0 : 1.0);
diff --git a/source/blender/draw/engines/overlay/shaders/extra_wire_vert.glsl b/source/blender/draw/engines/overlay/shaders/extra_wire_vert.glsl
index 8a80441b5d9..91f45329018 100644
--- a/source/blender/draw/engines/overlay/shaders/extra_wire_vert.glsl
+++ b/source/blender/draw/engines/overlay/shaders/extra_wire_vert.glsl
@@ -18,7 +18,7 @@ void main()
   gl_Position = point_world_to_ndc(world_pos);
 
 #ifdef SELECT_EDGES
-  /* HACK: to avoid loosing sub pixel object in selections, we add a bit of randomness to the
+  /* HACK: to avoid losing sub-pixel object in selections, we add a bit of randomness to the
    * wire to at least create one fragment that will pass the occlusion query. */
   /* TODO(fclem): Limit this workaround to selection. It's not very noticeable but still... */
   gl_Position.xy += sizeViewportInv.xy * gl_Position.w * ((gl_VertexID % 2 == 0) ? -1.0 : 1.0);
diff --git a/source/blender/draw/engines/overlay/shaders/wireframe_vert.glsl b/source/blender/draw/engines/overlay/shaders/wireframe_vert.glsl
index c80d8f99628..c083fdacbbe 100644
--- a/source/blender/draw/engines/overlay/shaders/wireframe_vert.glsl
+++ b/source/blender/draw/engines/overlay/shaders/wireframe_vert.glsl
@@ -169,7 +169,7 @@ void main()
   }
 
 #ifdef SELECT_EDGES
-  /* HACK: to avoid loosing sub pixel object in selections, we add a bit of randomness to the
+  /* HACK: to avoid losing sub-pixel object in selections, we add a bit of randomness to the
    * wire to at least create one fragment that will pass the occlusion query. */
   gl_Position.xy += sizeViewportInv.xy * gl_Position.w * ((gl_VertexID % 2 == 0) ? -1.0 : 1.0);
 #endif
diff --git a/source/blender/draw/engines/workbench/workbench_shader.c b/source/blender/draw/engines/workbench/workbench_shader.c
index 1c612404c95..ad610a6a885 100644
--- a/source/blender/draw/engines/workbench/workbench_shader.c
+++ b/source/blender/draw/engines/workbench/workbench_shader.c
@@ -120,7 +120,7 @@ void workbench_shader_library_ensure(void)
 {
   if (e_data.lib == NULL) {
     e_data.lib = DRW_shader_library_create();
-    /* NOTE: Theses needs to be ordered by dependencies. */
+    /* NOTE: These need to be ordered by dependencies. */
     DRW_SHADER_LIB_ADD(e_data.lib, common_math_lib);
     DRW_SHADER_LIB_ADD(e_data.lib, common_math_geom_lib);
     DRW_SHADER_LIB_ADD(e_data.lib, common_hair_lib);
diff --git a/source/blender/draw/intern/draw_cache_extract_mesh.c b/source/blender/draw/intern/draw_cache_extract_mesh.c
index 9e2ac26f9f0..d9fbb01789f 100644
--- a/source/blender/draw/intern/draw_cache_extract_mesh.c
+++ b/source/blender/draw/intern/draw_cache_extract_mesh.c
@@ -907,7 +907,7 @@ static void extract_tris_finish(const MeshRenderData *mr,
   if (mr->use_final_mesh && cache->final.tris_per_mat) {
     MeshBufferCache *mbc = &cache->final;
     for (int i = 0; i < mr->mat_len; i++) {
-      /* Theses IBOs have not been queried yet but we create them just in case they are needed
+      /* These IBOs have not been queried yet but we create them just in case they are needed
        * later since they are not tracked by mesh_buffer_cache_create_requested(). */
       if (mbc->tris_per_mat[i] == NULL) {
         mbc->tris_per_mat[i] = GPU_indexbuf_calloc();
@@ -1380,7 +1380,7 @@ static void extract_lines_paint_mask_iter_poly_mesh(const MeshRenderData *mr,
         }
       }
       else {
-        /* Set theses unselected loop only if this edge has no other selected loop. */
+        /* Set these unselected loop only if this edge has no other selected loop. */
         if (!BLI_BITMAP_TEST(data->select_map, e_index)) {
           GPU_indexbuf_set_line_verts(&data->elb, e_index, ml_index, ml_index_other);
         }
@@ -5230,7 +5230,7 @@ static void *extract_skin_roots_init(const MeshRenderData *mr,
     }
   }
 
-  /* It's really unlikely that all verts will be roots. Resize to avoid loosing VRAM. */
+  /* It's really unlikely that all verts will be roots. Resize to avoid losing VRAM. */
   GPU_vertbuf_data_len_set(vbo, root_len);
 
   return NULL;
diff --git a/source/blender/draw/intern/shaders/common_smaa_lib.glsl b/source/blender/draw/intern/shaders/common_smaa_lib.glsl
index 78a62c6ae7d..36ffb4d8b32 100644
--- a/source/blender/draw/intern/shaders/common_smaa_lib.glsl
+++ b/source/blender/draw/intern/shaders/common_smaa_lib.glsl
@@ -118,7 +118,7 @@
  *     half-rate linear filtering on GCN.
  *
  *     If SMAA is applied to 64-bit color buffers, switching to point filtering
- *     when accesing them will increase the performance. Search for
+ *     when accessing them will increase the performance. Search for
  *     'SMAASamplePoint' to see which textures may benefit from point
  *     filtering, and where (which is basically the color input in the edge
  *     detection and resolve passes).
diff --git a/source/blender/editors/animation/anim_motion_paths.c b/source/blender/editors/animation/anim_motion_paths.c
index bd7d0eed2c9..aac2465d43a 100644
--- a/source/blender/editors/animation/anim_motion_paths.c
+++ b/source/blender/editors/animation/anim_motion_paths.c
@@ -331,7 +331,7 @@ static void motionpath_calculate_update_range(MPathTarget *mpt,
     int fcu_sfra = motionpath_get_prev_prev_keyframe(mpt, &fcu_keys, current_frame);
     int fcu_efra = motionpath_get_next_next_keyframe(mpt, &fcu_keys, current_frame);
 
-    /* Extend range fuhrer, since acceleration compensation propagates even further away. */
+    /* Extend range further, since acceleration compensation propagates even further away. */
     if (fcu->auto_smoothing != FCURVE_SMOOTH_NONE) {
       fcu_sfra = motionpath_get_prev_prev_keyframe(mpt, &fcu_keys, fcu_sfra);
       fcu_efra = motionpath_get_next_next_keyframe(mpt, &fcu_keys, fcu_efra);
diff --git a/source/blender/editors/armature/meshlaplacian.c b/source/blender/editors/armature/meshlaplacian.c
index ae1516dad05..e362a2e2f40 100644
--- a/source/blender/editors/armature/meshlaplacian.c
+++ b/source/blender/editors/armature/meshlaplacian.c
@@ -497,7 +497,7 @@ static float heat_source_distance(LaplacianSystem *sys, int vertex, int source)
 {
   float closest[3], d[3], dist, cosine;
 
-  /* compute euclidian distance */
+  /* compute Euclidean distance */
   closest_to_line_segment_v3(
       closest, sys->heat.verts[vertex], sys->heat.root[source], sys->heat.tip[source]);
 
diff --git a/source/blender/editors/curve/editcurve.c b/source/blender/editors/curve/editcurve.c
index e9ceedf7ce2..8ebc2077619 100644
--- a/source/blender/editors/curve/editcurve.c
+++ b/source/blender/editors/curve/editcurve.c
@@ -2419,7 +2419,7 @@ static void adduplicateflagNurb(
                 memcpy(newnu->bp, &nu->bp[a], newu * newv * sizeof(BPoint));
                 memcpy(&newnu->bp[newu * newv], nu->bp, newu * cyclicv * sizeof(BPoint));
 
-                /* check for actvert in cylicv selection */
+                /* check for actvert in cyclicv selection */
                 if (cu->actnu == i) {
                   calc_duplicate_actvert(
                       editnurb, newnurb, cu, cu->actvert, a, (newu * newv) + cu->actvert);
@@ -6102,7 +6102,7 @@ static bool curve_delete_segments(Object *obedit, View3D *v3d, const bool split)
       }
 
       if (!split && cut != -1 && nu->pntsu > 2 && !(nu->flagu & CU_NURB_CYCLIC)) {
-        /* start and points copied if connecting segment was deleted and not cylic spline */
+        /* start and points copied if connecting segment was deleted and not cyclic spline */
         bezt1 = nu->bezt;
         bezt2 = &nu->bezt[1];
 
@@ -6232,7 +6232,7 @@ static bool curve_delete_segments(Object *obedit, View3D *v3d, const bool split)
         }
 
         if (!split && cut != -1 && nu->pntsu > 2 && !(nu->flagu & CU_NURB_CYCLIC)) {
-          /* start and points copied if connecting segment was deleted and not cylic spline */
+          /* start and points copied if connecting segment was deleted and not cyclic spline */
           bp1 = nu->bp;
           bp2 = &nu->bp[1];
 
@@ -6352,7 +6352,7 @@ static bool curve_delete_segments(Object *obedit, View3D *v3d, const bool split)
         }
 
         if (!split && cut != -1 && nu->pntsv > 2 && !(nu->flagv & CU_NURB_CYCLIC)) {
-          /* start and points copied if connecting segment was deleted and not cylic spline */
+          /* start and points copied if connecting segment was deleted and not cyclic spline */
           bp1 = nu->bp;
           bp2 = &nu->bp[nu->pntsu];
 
diff --git a/source/blender/editors/gpencil/gpencil_vertex_paint.c b/source/blender/editors/gpencil/gpencil_vertex_paint.c
index ae94836af03..a05cc3c4dbd 100644
--- a/source/blender/editors/gpencil/gpencil_vertex_paint.c
+++ b/source/blender/editors/gpencil/gpencil_vertex_paint.c
@@ -151,7 +151,7 @@ typedef struct tGP_BrushVertexpaintData {
   tGP_Grid *grid;
   /** Total number of rows/cols. */
   int grid_size;
-  /** Total number of cells elments in the grid array. */
+  /** Total number of cells elements in the grid array. */
   int grid_len;
   /** Grid sample position (used to determine distance of falloff) */
   int grid_sample[2];
diff --git a/source/blender/editors/include/ED_fileselect.h b/source/blender/editors/include/ED_fileselect.h
index d12882f0e29..7538dac1354 100644
--- a/source/blender/editors/include/ED_fileselect.h
+++ b/source/blender/editors/include/ED_fileselect.h
@@ -194,7 +194,7 @@ typedef enum FSMenuInsert {
   FS_INSERT_SAVE = (1 << 1),
   /** moves the item to the front of the list when its not already there */
   FS_INSERT_FIRST = (1 << 2),
-  /** just append to preseve delivered order */
+  /** just append to preserve delivered order */
   FS_INSERT_LAST = (1 << 3),
 } FSMenuInsert;
 
diff --git a/source/blender/editors/include/ED_keyframes_edit.h b/source/blender/editors/include/ED_keyframes_edit.h
index b08ab57545f..63f124798aa 100644
--- a/source/blender/editors/include/ED_keyframes_edit.h
+++ b/source/blender/editors/include/ED_keyframes_edit.h
@@ -118,7 +118,7 @@ typedef struct KeyframeEdit_CircleData {
 } KeyframeEdit_CircleData;
 
 /* ************************************************ */
-/* Non-Destuctive Editing API (keyframes_edit.c) */
+/* Non-Destructive Editing API (keyframes_edit.c) */
 
 /* --- Defines for 'OK' polls + KeyframeEditData Flags --------- */
 
diff --git a/source/blender/editors/interface/interface_handlers.c b/source/blender/editors/interface/interface_handlers.c
index abe40f88ec6..1bfd84a7046 100644
--- a/source/blender/editors/interface/interface_handlers.c
+++ b/source/blender/editors/interface/interface_handlers.c
@@ -6837,7 +6837,7 @@ static bool ui_numedit_but_CURVE(uiBlock *block,
 
 #ifdef USE_CONT_MOUSE_CORRECT
       /* note: using 'cmp_last' is weak since there may be multiple points selected,
-       * but in practice this isnt really an issue */
+       * but in practice this isn't really an issue */
       if (ui_but_is_cursor_warp(but)) {
         /* OK but can go outside bounds */
         data->ungrab_mval[0] = but->rect.xmin + ((cmp_last->x - cumap->curr.xmin) * zoomx);
@@ -7108,7 +7108,7 @@ static bool ui_numedit_but_CURVEPROFILE(uiBlock *block,
       changed = true;
 #ifdef USE_CONT_MOUSE_CORRECT
       /* note: using 'cmp_last' is weak since there may be multiple points selected,
-       * but in practice this isnt really an issue */
+       * but in practice this isn't really an issue */
       if (ui_but_is_cursor_warp(but)) {
         /* OK but can go outside bounds */
         data->ungrab_mval[0] = but->rect.xmin + ((last_x - profile->view_rect.xmin) * zoomx);
@@ -8617,7 +8617,7 @@ void ui_but_activate_event(bContext *C, ARegion *region, uiBut *but)
  * Simulate moving the mouse over a button (or navigating to it with arrow keys).
  *
  * exported so menus can start with a highlighted button,
- * even if the mouse isnt over it
+ * even if the mouse isn't over it
  */
 void ui_but_activate_over(bContext *C, ARegion *region, uiBut *but)
 {
diff --git a/source/blender/editors/object/object_relations.c b/source/blender/editors/object/object_relations.c
index e4d06dca8cf..5a2ef1c6556 100644
--- a/source/blender/editors/object/object_relations.c
+++ b/source/blender/editors/object/object_relations.c
@@ -2341,7 +2341,7 @@ void OBJECT_OT_make_local(wmOperatorType *ot)
 
 static bool make_override_library_object_overridable_check(Main *bmain, Object *object)
 {
-  /* An object is actually overrideable only if it is in at least one local collections.
+  /* An object is actually overridable only if it is in at least one local collection.
    * Unfortunately 'direct link' flag is not enough here. */
   LISTBASE_FOREACH (Collection *, collection, &bmain->collections) {
     if (!ID_IS_LINKED(collection) && BKE_collection_has_object(collection, object)) {
diff --git a/source/blender/editors/render/render_opengl.c b/source/blender/editors/render/render_opengl.c
index 1069f942a7a..5ae952738c9 100644
--- a/source/blender/editors/render/render_opengl.c
+++ b/source/blender/editors/render/render_opengl.c
@@ -363,7 +363,7 @@ static void screen_opengl_render_doit(const bContext *C, OGLRender *oglrender, R
     }
   }
   else {
-    /* shouldnt suddenly give errors mid-render but possible */
+    /* shouldn't suddenly give errors mid-render but possible */
     char err_out[256] = "unknown";
     ImBuf *ibuf_view;
     const int alpha_mode = (draw_sky) ? R_ADDSKY : R_ALPHAPREMUL;
diff --git a/source/blender/editors/space_file/file_draw.c b/source/blender/editors/space_file/file_draw.c
index 537d8849372..c1dcf2e56d3 100644
--- a/source/blender/editors/space_file/file_draw.c
+++ b/source/blender/editors/space_file/file_draw.c
@@ -554,7 +554,7 @@ static void draw_background(FileLayout *layout, View2D *v2d)
   for (i = 2; (i <= layout->rows + 1); i += 2) {
     sy = (int)v2d->cur.ymax - layout->offset_top - i * item_height - layout->tile_border_y;
 
-    /* Offsett pattern slightly to add scroll effect. */
+    /* Offset pattern slightly to add scroll effect. */
     sy += round_fl_to_int(item_height * (v2d->tot.ymax - v2d->cur.ymax) / item_height);
 
     immRectf(pos,
diff --git a/source/blender/editors/space_view3d/space_view3d.c b/source/blender/editors/space_view3d/space_view3d.c
index 82cc499c729..26441bde6b6 100644
--- a/source/blender/editors/space_view3d/space_view3d.c
+++ b/source/blender/editors/space_view3d/space_view3d.c
@@ -393,7 +393,7 @@ static void view3d_main_region_init(wmWindowManager *wm, ARegion *region)
   keymap = WM_keymap_ensure(wm->defaultconf, "Paint Vertex Selection (Weight, Vertex)", 0, 0);
   WM_event_add_keymap_handler(&region->handlers, keymap);
 
-  /* Before 'Weight/Vertex Paint' so adding curve points is not overriden. */
+  /* Before 'Weight/Vertex Paint' so adding curve points is not overridden. */
   keymap = WM_keymap_ensure(wm->defaultconf, "Paint Curve", 0, 0);
   WM_event_add_keymap_handler(&region->handlers, keymap);
 
diff --git a/source/blender/editors/transform/transform_convert_sequencer.c b/source/blender/editors/transform/transform_convert_sequencer.c
index 7ec793f24bd..22b1f9fd8d7 100644
--- a/source/blender/editors/transform/transform_convert_sequencer.c
+++ b/source/blender/editors/transform/transform_convert_sequencer.c
@@ -845,7 +845,7 @@ void special_aftertrans_update__sequencer(bContext *UNUSED(C), TransInfo *t)
   /* Marker transform, not especially nice but we may want to move markers
    * at the same time as strips in the Video Sequencer. */
   if (sseq->flag & SEQ_MARKER_TRANS) {
-    /* cant use TFM_TIME_EXTEND
+    /* can't use TFM_TIME_EXTEND
      * for some reason EXTEND is changed into TRANSLATE, so use frame_side instead */
 
     if (t->mode == TFM_SEQ_SLIDE) {
diff --git a/source/blender/freestyle/intern/python/BPy_Operators.cpp b/source/blender/freestyle/intern/python/BPy_Operators.cpp
index 5fd02e4a9dd..d911e7db447 100644
--- a/source/blender/freestyle/intern/python/BPy_Operators.cpp
+++ b/source/blender/freestyle/intern/python/BPy_Operators.cpp
@@ -260,8 +260,8 @@ PyDoc_STRVAR(Operators_sequential_split_doc,
              "\n"
              "   .. tip::\n"
              "\n"
-             "      By specifiying a starting and stopping predicate allows\n"
-             "      the chains to overlapp rather than chains partitioning.\n"
+             "      By specifying a starting and stopping predicate allows\n"
+             "      the chains to overlap rather than chains partitioning.\n"
              "\n"
              "   :arg starting_pred: The predicate on a point that expresses the\n"
              "      starting condition. Each time this condition is verified, a new chain begins\n"
diff --git a/source/blender/freestyle/intern/view_map/ViewMap.h b/source/blender/freestyle/intern/view_map/ViewMap.h
index 1c959c43481..47a2e98418a 100644
--- a/source/blender/freestyle/intern/view_map/ViewMap.h
+++ b/source/blender/freestyle/intern/view_map/ViewMap.h
@@ -228,7 +228,7 @@ class ViewMap {
    */
   ViewVertex *InsertViewVertex(SVertex *iVertex, vector<ViewEdge *> &newViewEdges);
 
-  /* connects a FEdge to the graph trough a SVertex */
+  /* connects a FEdge to the graph through a SVertex */
   // FEdge *Connect(FEdge *ioEdge, SVertex *ioVertex);
 
   /* Clean temporary FEdges created by chaining */
@@ -1085,13 +1085,13 @@ class ViewEdge : public Interface1D {
     return __B;
   }
 
-  /*! Returns the first FEdge that constitues this ViewEdge. */
+  /*! Returns the first FEdge that constitutes this ViewEdge. */
   inline FEdge *fedgeA()
   {
     return _FEdgeA;
   }
 
-  /*! Returns the last FEdge that constitues this ViewEdge. */
+  /*! Returns the last FEdge that constitutes this ViewEdge. */
   inline FEdge *fedgeB()
   {
     return _FEdgeB;
diff --git a/source/blender/gpu/GPU_batch.h b/source/blender/gpu/GPU_batch.h
index be418c15060..018e192bf37 100644
--- a/source/blender/gpu/GPU_batch.h
+++ b/source/blender/gpu/GPU_batch.h
@@ -128,7 +128,7 @@ void GPU_batch_program_set_builtin_with_config(GPUBatch *batch,
                                                eGPUShaderConfig sh_cfg);
 
 /* Will only work after setting the batch program. */
-/* TODO(fclem): Theses needs to be replaced by GPU_shader_uniform_* with explicit shader. */
+/* TODO(fclem): These need to be replaced by GPU_shader_uniform_* with explicit shader. */
 #define GPU_batch_uniform_1i(batch, name, x) GPU_shader_uniform_1i((batch)->shader, name, x);
 #define GPU_batch_uniform_1b(batch, name, x) GPU_shader_uniform_1b((batch)->shader, name, x);
 #define GPU_batch_uniform_1f(batch, name, x) GPU_shader_uniform_1f((batch)->shader, name, x);
diff --git a/source/blender/gpu/opengl/gl_backend.cc b/source/blender/gpu/opengl/gl_backend.cc
index a1b7aba1140..ef7788194a1 100644
--- a/source/blender/gpu/opengl/gl_backend.cc
+++ b/source/blender/gpu/opengl/gl_backend.cc
@@ -308,7 +308,7 @@ static void detect_workarounds()
   if (GPU_type_matches(GPU_DEVICE_INTEL, GPU_OS_WIN, GPU_DRIVER_OFFICIAL) && !GLEW_VERSION_4_5) {
     GLContext::copy_image_support = false;
   }
-  /* Special fix for theses specific GPUs.
+  /* Special fix for these specific GPUs.
    * Without this workaround, blender crashes on startup. (see T72098) */
   if (GPU_type_matches(GPU_DEVICE_INTEL, GPU_OS_WIN, GPU_DRIVER_OFFICIAL) &&
       (strstr(renderer, "HD Graphics 620") || strstr(renderer, "HD Graphics 630"))) {
diff --git a/source/blender/gpu/opengl/gl_context.hh b/source/blender/gpu/opengl/gl_context.hh
index b8d979e8f0e..0222adaba25 100644
--- a/source/blender/gpu/opengl/gl_context.hh
+++ b/source/blender/gpu/opengl/gl_context.hh
@@ -43,7 +43,7 @@ class GLVaoCache;
 
 class GLSharedOrphanLists {
  public:
-  /** Mutex for the bellow structures. */
+  /** Mutex for the below structures. */
   std::mutex lists_mutex;
   /** Buffers and textures are shared across context. Any context can free them. */
   Vector<GLuint> textures;
@@ -92,7 +92,7 @@ class GLContext : public Context {
    */
   Set<GLVaoCache *> vao_caches_;
   Set<GPUFrameBuffer *> framebuffers_;
-  /** Mutex for the bellow structures. */
+  /** Mutex for the below structures. */
   std::mutex lists_mutex_;
   /** VertexArrays and framebuffers are not shared across context. */
   Vector<GLuint> orphaned_vertarrays_;
diff --git a/source/blender/gpu/shaders/gpu_shader_2D_widget_base_vert.glsl b/source/blender/gpu/shaders/gpu_shader_2D_widget_base_vert.glsl
index fb512a1f00e..81e0965fad3 100644
--- a/source/blender/gpu/shaders/gpu_shader_2D_widget_base_vert.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_2D_widget_base_vert.glsl
@@ -57,7 +57,7 @@ in float dummy;
 
 vec2 do_widget(void)
 {
-  /* Offset to avoid loosing pixels (mimics conservative rasterization). */
+  /* Offset to avoid losing pixels (mimics conservative rasterization). */
   const vec2 ofs = vec2(0.5, -0.5);
   lineWidth = abs(rect.x - recti.x);
   vec2 emboss_ofs = vec2(0.0, -lineWidth);
diff --git a/source/blender/makesdna/DNA_brush_types.h b/source/blender/makesdna/DNA_brush_types.h
index e373500a0ed..91e0bc0ffa1 100644
--- a/source/blender/makesdna/DNA_brush_types.h
+++ b/source/blender/makesdna/DNA_brush_types.h
@@ -289,7 +289,7 @@ typedef struct Brush {
 
   int curve_preset;
 
-  /* Maximun distance to search fake neighbors from a vertex. */
+  /* Maximum distance to search fake neighbors from a vertex. */
   float disconnected_distance_max;
 
   int deform_target;
diff --git a/source/blender/makesdna/DNA_cloth_types.h b/source/blender/makesdna/DNA_cloth_types.h
index 467174c4f32..1eff7be3f15 100644
--- a/source/blender/makesdna/DNA_cloth_types.h
+++ b/source/blender/makesdna/DNA_cloth_types.h
@@ -166,7 +166,7 @@ typedef struct ClothSimSettings {
   /** Mechanical damping of shear springs. */
   float shear_damp;
 
-  /** The maximum lenght an internal spring can have during creation. */
+  /** The maximum length an internal spring can have during creation. */
   float internal_spring_max_length;
   /** How much the interal spring can diverge from the vertex normal during creation. */
   float internal_spring_max_diversion;
diff --git a/source/blender/makesdna/DNA_gpencil_modifier_types.h b/source/blender/makesdna/DNA_gpencil_modifier_types.h
index 1f7283a1c70..b2d62e0a5f6 100644
--- a/source/blender/makesdna/DNA_gpencil_modifier_types.h
+++ b/source/blender/makesdna/DNA_gpencil_modifier_types.h
@@ -182,7 +182,7 @@ typedef struct ThickGpencilModifierData {
   int flag;
   /** Relative thickness factor. */
   float thickness_fac;
-  /** Absolute thickness overide. */
+  /** Absolute thickness override. */
   int thickness;
   /** Custom index for passes. */
   int layer_pass;
diff --git a/source/blender/makesdna/DNA_modifier_defaults.h b/source/blender/makesdna/DNA_modifier_defaults.h
index 860a9affb3e..9335c360363 100644
--- a/source/blender/makesdna/DNA_modifier_defaults.h
+++ b/source/blender/makesdna/DNA_modifier_defaults.h
@@ -236,7 +236,7 @@
     .flag = 0, \
   }
 
-/* Defines are scattered accross too many files, they need to be moved to DNA. */
+/* Defines are scattered across too many files, they need to be moved to DNA. */
 #if 0
 #define _DNA_DEFAULT_DataTransferModifierData \
   { \
diff --git a/source/blender/makesrna/intern/rna_access_compare_override.c b/source/blender/makesrna/intern/rna_access_compare_override.c
index 2d6f1bbc059..d6305388cf9 100644
--- a/source/blender/makesrna/intern/rna_access_compare_override.c
+++ b/source/blender/makesrna/intern/rna_access_compare_override.c
@@ -134,7 +134,7 @@ bool RNA_property_overridable_get(PointerRNA *ptr, PropertyRNA *prop)
     /* Special handling for insertions of constraints or modifiers... */
     /* TODO Note We may want to add a more generic system to RNA
      * (like a special property in struct of items)
-     * if we get more overrideable collections,
+     * if we get more overridable collections,
      * for now we can live with those special-cases handling I think. */
     if (RNA_struct_is_a(ptr->type, &RNA_Constraint)) {
       bConstraint *con = ptr->data;
diff --git a/source/blender/makesrna/intern/rna_mesh_api.c b/source/blender/makesrna/intern/rna_mesh_api.c
index d162917ea0c..f92a2932f06 100644
--- a/source/blender/makesrna/intern/rna_mesh_api.c
+++ b/source/blender/makesrna/intern/rna_mesh_api.c
@@ -288,7 +288,7 @@ void RNA_api_mesh(StructRNA *srna)
                                   "Define custom split normals of this mesh "
                                   "(use zero-vectors to keep auto ones)");
   RNA_def_function_flag(func, FUNC_USE_REPORTS);
-  /* TODO, see how array size of 0 works, this shouldnt be used */
+  /* TODO, see how array size of 0 works, this shouldn't be used */
   parm = RNA_def_float_array(func, "normals", 1, NULL, -1.0f, 1.0f, "", "Normals", 0.0f, 0.0f);
   RNA_def_property_multi_array(parm, 2, normals_array_dim);
   RNA_def_parameter_flags(parm, PROP_DYNAMIC, PARM_REQUIRED);
@@ -301,7 +301,7 @@ void RNA_api_mesh(StructRNA *srna)
       "Define custom split normals of this mesh, from vertices' normals "
       "(use zero-vectors to keep auto ones)");
   RNA_def_function_flag(func, FUNC_USE_REPORTS);
-  /* TODO, see how array size of 0 works, this shouldnt be used */
+  /* TODO, see how array size of 0 works, this shouldn't be used */
   parm = RNA_def_float_array(func, "normals", 1, NULL, -1.0f, 1.0f, "", "Normals", 0.0f, 0.0f);
   RNA_def_property_multi_array(parm, 2, normals_array_dim);
   RNA_def_parameter_flags(parm, PROP_DYNAMIC, PARM_REQUIRED);
diff --git a/source/blender/makesrna/intern/rna_nodetree.c b/source/blender/makesrna/intern/rna_nodetree.c
index 5dbc574d073..c67a3e4448b 100644
--- a/source/blender/makesrna/intern/rna_nodetree.c
+++ b/source/blender/makesrna/intern/rna_nodetree.c
@@ -5381,7 +5381,7 @@ static void def_sh_tex_pointdensity(StructRNA *srna)
   func = RNA_def_function(srna, "calc_point_density", "rna_ShaderNodePointDensity_density_calc");
   RNA_def_function_ui_description(func, "Calculate point density");
   RNA_def_pointer(func, "depsgraph", "Depsgraph", "", "");
-  /* TODO, See how array size of 0 works, this shouldnt be used. */
+  /* TODO, See how array size of 0 works, this shouldn't be used. */
   parm = RNA_def_float_array(func, "rgba_values", 1, NULL, 0, 0, "", "RGBA Values", 0, 0);
   RNA_def_parameter_flags(parm, PROP_DYNAMIC, 0);
   RNA_def_function_output(func, parm);
diff --git a/source/blender/makesrna/intern/rna_object.c b/source/blender/makesrna/intern/rna_object.c
index bcdc38a1a3b..1eb5ed3977a 100644
--- a/source/blender/makesrna/intern/rna_object.c
+++ b/source/blender/makesrna/intern/rna_object.c
@@ -2122,7 +2122,7 @@ static void rna_def_vertex_group(BlenderRNA *brna)
   func = RNA_def_function(srna, "add", "rna_VertexGroup_vertex_add");
   RNA_def_function_ui_description(func, "Add vertices to the group");
   RNA_def_function_flag(func, FUNC_USE_REPORTS | FUNC_USE_SELF_ID);
-  /* TODO, see how array size of 0 works, this shouldnt be used */
+  /* TODO, see how array size of 0 works, this shouldn't be used */
   parm = RNA_def_int_array(func, "index", 1, NULL, 0, 0, "", "Index List", 0, 0);
   RNA_def_parameter_flags(parm, PROP_DYNAMIC, PARM_REQUIRED);
   parm = RNA_def_float(func, "weight", 0, 0.0f, 1.0f, "", "Vertex weight", 0.0f, 1.0f);
@@ -2133,7 +2133,7 @@ static void rna_def_vertex_group(BlenderRNA *brna)
   func = RNA_def_function(srna, "remove", "rna_VertexGroup_vertex_remove");
   RNA_def_function_ui_description(func, "Remove a vertex from the group");
   RNA_def_function_flag(func, FUNC_USE_REPORTS | FUNC_USE_SELF_ID);
-  /* TODO, see how array size of 0 works, this shouldnt be used */
+  /* TODO, see how array size of 0 works, this shouldn't be used */
   parm = RNA_def_int_array(func, "index", 1, NULL, 0, 0, "", "Index List", 0, 0);
   RNA_def_parameter_flags(parm, PROP_DYNAMIC, PARM_REQUIRED);
 
@@ -2180,14 +2180,14 @@ static void rna_def_face_map(BlenderRNA *brna)
   func = RNA_def_function(srna, "add", "rna_FaceMap_face_add");
   RNA_def_function_ui_description(func, "Add vertices to the group");
   RNA_def_function_flag(func, FUNC_USE_REPORTS | FUNC_USE_SELF_ID);
-  /* TODO, see how array size of 0 works, this shouldnt be used */
+  /* TODO, see how array size of 0 works, this shouldn't be used */
   parm = RNA_def_int_array(func, "index", 1, NULL, 0, 0, "", "Index List", 0, 0);
   RNA_def_parameter_flags(parm, PROP_DYNAMIC, PARM_REQUIRED);
 
   func = RNA_def_function(srna, "remove", "rna_FaceMap_face_remove");
   RNA_def_function_ui_description(func, "Remove a vertex from the group");
   RNA_def_function_flag(func, FUNC_USE_REPORTS | FUNC_USE_SELF_ID);
-  /* TODO, see how array size of 0 works, this shouldnt be used */
+  /* TODO, see how array size of 0 works, this shouldn't be used */
   parm = RNA_def_int_array(func, "index", 1, NULL, 0, 0, "", "Index List", 0, 0);
   RNA_def_parameter_flags(parm, PROP_DYNAMIC, PARM_REQUIRED);
 }
diff --git a/source/blender/makesrna/intern/rna_space.c b/source/blender/makesrna/intern/rna_space.c
index e4d2536eb91..2156516b187 100644
--- a/source/blender/makesrna/intern/rna_space.c
+++ b/source/blender/makesrna/intern/rna_space.c
@@ -439,7 +439,7 @@ const EnumPropertyItem rna_enum_clip_editor_mode_items[] = {
     {0, NULL, 0, NULL, NULL},
 };
 
-/* Actually populated dynamically trough a function,
+/* Actually populated dynamically through a function,
  * but helps for context-less access (e.g. doc, i18n...). */
 static const EnumPropertyItem buttons_context_items[] = {
     {BCONTEXT_TOOL, "TOOL", ICON_TOOL_SETTINGS, "Tool", "Active Tool and Workspace settings"},
diff --git a/source/blender/modifiers/intern/MOD_surfacedeform.c b/source/blender/modifiers/intern/MOD_surfacedeform.c
index 357cfb562a7..99011c5e351 100644
--- a/source/blender/modifiers/intern/MOD_surfacedeform.c
+++ b/source/blender/modifiers/intern/MOD_surfacedeform.c
@@ -437,13 +437,13 @@ BLI_INLINE int isPolyValid(const float coords[][2], const uint nr)
   for (int i = 0; i < nr; i++) {
     sub_v2_v2v2(curr_vec, coords[i], prev_co);
 
-    /* Check ovelap between directly adjacent vertices. */
+    /* Check overlap between directly adjacent vertices. */
     const float curr_len = normalize_v2(curr_vec);
     if (curr_len < FLT_EPSILON) {
       return MOD_SDEF_BIND_RESULT_OVERLAP_ERR;
     }
 
-    /* Check ovelap between vertices skipping one. */
+    /* Check overlap between vertices skipping one. */
     if (len_squared_v2v2(prev_prev_co, coords[i]) < FLT_EPSILON * FLT_EPSILON) {
       return MOD_SDEF_BIND_RESULT_OVERLAP_ERR;
     }
diff --git a/source/blender/python/bmesh/bmesh_py_types.c b/source/blender/python/bmesh/bmesh_py_types.c
index 22c7a394906..e9499818f64 100644
--- a/source/blender/python/bmesh/bmesh_py_types.c
+++ b/source/blender/python/bmesh/bmesh_py_types.c
@@ -293,7 +293,7 @@ static int bpy_bmesh_select_mode_set(BPy_BMesh *self, PyObject *value)
     return -1;
   }
   if (flag == 0) {
-    PyErr_SetString(PyExc_TypeError, "bm.select_mode: cant assignt an empty value");
+    PyErr_SetString(PyExc_TypeError, "bm.select_mode: can't assign an empty value");
     return -1;
   }
 
diff --git a/source/blender/render/intern/pipeline.c b/source/blender/render/intern/pipeline.c
index 6e15066575c..0a8b8f24614 100644
--- a/source/blender/render/intern/pipeline.c
+++ b/source/blender/render/intern/pipeline.c
@@ -1971,7 +1971,7 @@ void RE_RenderFrame(Render *re,
     if (write_still && !G.is_break) {
       if (BKE_imtype_is_movie(rd.im_format.imtype)) {
         /* operator checks this but in case its called from elsewhere */
-        printf("Error: cant write single images with a movie format!\n");
+        printf("Error: can't write single images with a movie format!\n");
       }
       else {
         char name[FILE_MAX];
diff --git a/source/blender/sequencer/SEQ_render.h b/source/blender/sequencer/SEQ_render.h
index 6f6d195126b..54584824da8 100644
--- a/source/blender/sequencer/SEQ_render.h
+++ b/source/blender/sequencer/SEQ_render.h
@@ -51,7 +51,7 @@ typedef struct SeqRenderData {
   bool is_proxy_render;
   bool is_prefetch_render;
   int view_id;
-  /* ID of task for asigning temp cache entries to particular task(thread, etc.) */
+  /* ID of task for assigning temp cache entries to particular task(thread, etc.) */
   eSeqTaskId task_id;
 
   /* special case for OpenGL render */
diff --git a/source/blender/sequencer/intern/image_cache.c b/source/blender/sequencer/intern/image_cache.c
index 299ebffe8a8..290ee185865 100644
--- a/source/blender/sequencer/intern/image_cache.c
+++ b/source/blender/sequencer/intern/image_cache.c
@@ -166,7 +166,7 @@ typedef struct SeqCacheKey {
   float timeline_frame; /* Only for reference - used for freeing when cache is full. */
   float cost;           /* In short: render time(s) divided by playback frame duration(s) */
   bool is_temp_cache;   /* this cache entry will be freed before rendering next frame */
-  /* ID of task for asigning temp cache entries to particular task(thread, etc.) */
+  /* ID of task for assigning temp cache entries to particular task(thread, etc.) */
   eSeqTaskId task_id;
   int type;
 } SeqCacheKey;
diff --git a/source/blender/windowmanager/intern/wm_draw.c b/source/blender/windowmanager/intern/wm_draw.c
index b11dae27d19..85611a0be93 100644
--- a/source/blender/windowmanager/intern/wm_draw.c
+++ b/source/blender/windowmanager/intern/wm_draw.c
@@ -346,7 +346,7 @@ static const char *wm_area_name(ScrArea *area)
     SPACE_NAME(SPACE_TOPBAR);
     SPACE_NAME(SPACE_STATUSBAR);
     default:
-      return "Unkown Space";
+      return "Unknown Space";
   }
 }
 
diff --git a/source/blender/windowmanager/intern/wm_event_system.c b/source/blender/windowmanager/intern/wm_event_system.c
index 17f4713ff96..e132caede0d 100644
--- a/source/blender/windowmanager/intern/wm_event_system.c
+++ b/source/blender/windowmanager/intern/wm_event_system.c
@@ -2099,7 +2099,7 @@ static int wm_handler_operator_call(bContext *C,
           handler->op = NULL;
         }
 
-        /* Putting back screen context, reval can pass trough after modal failures! */
+        /* Putting back screen context, reval can pass through after modal failures! */
         if ((retval & OPERATOR_PASS_THROUGH) || wm_event_always_pass(event)) {
           CTX_wm_area_set(C, area);
           CTX_wm_region_set(C, region);
diff --git a/source/creator/CMakeLists.txt b/source/creator/CMakeLists.txt
index 8018ab3f46d..fd1d721d869 100644
--- a/source/creator/CMakeLists.txt
+++ b/source/creator/CMakeLists.txt
@@ -74,7 +74,7 @@ endif()
 if(WITH_TBB)
   blender_include_dirs(${TBB_INCLUDE_DIRS})
   if(NOT APPLE)
-    # APPLE plaform uses full paths for linking libraries.
+    # APPLE platform uses full paths for linking libraries.
     link_directories(${LIBDIR}/tbb/lib)
   endif()
 endif()