Cleanup: spelling, punctuation & repeated words in comments

31 files changed, 48 insertions, 46 deletions

diff --git a/intern/cycles/bvh/split.cpp b/intern/cycles/bvh/split.cpp
index f80305c149a..37b08ffbebb 100644
--- a/intern/cycles/bvh/split.cpp
+++ b/intern/cycles/bvh/split.cpp
@@ -515,7 +515,7 @@ void BVHSpatialSplit::split_reference(const BVHBuild &builder,
                                       int dim,
                                       float pos)
 {
-  /* initialize boundboxes */
+  /* Initialize bounding-boxes. */
   BoundBox left_bounds = BoundBox::empty;
   BoundBox right_bounds = BoundBox::empty;
 
diff --git a/source/blender/blenkernel/BKE_customdata.h b/source/blender/blenkernel/BKE_customdata.h
index 0f5123573f7..064eb9ca1ed 100644
--- a/source/blender/blenkernel/BKE_customdata.h
+++ b/source/blender/blenkernel/BKE_customdata.h
@@ -137,7 +137,7 @@ void CustomData_data_add(int type, void *data1, const void *data2);
 
 /**
  * Initializes a CustomData object with the same layer setup as source.
- * mask is a bitfield where `(mask & (1 << (layer type)))` indicates
+ * mask is a bit-field where `(mask & (1 << (layer type)))` indicates
  * if a layer should be copied or not. alloctype must be one of the above.
  */
 void CustomData_copy(const struct CustomData *source,
diff --git a/source/blender/blenkernel/BKE_paint.h b/source/blender/blenkernel/BKE_paint.h
index 9b28b6380b0..5728b29e8a5 100644
--- a/source/blender/blenkernel/BKE_paint.h
+++ b/source/blender/blenkernel/BKE_paint.h
@@ -538,7 +538,7 @@ typedef struct SculptAttribute {
        : \
        "You misspelled the layer name key")
 
-/* Convienence pointers for standard sculpt attributes. */
+/* Convenience pointers for standard sculpt attributes. */
 
 typedef struct SculptAttributePointers {
   /* Persistent base. */
@@ -728,7 +728,7 @@ typedef struct SculptSession {
    */
   struct SculptAttribute temp_attributes[SCULPT_MAX_ATTRIBUTES];
 
-  /* Convienence SculptAttribute pointers. */
+  /* Convenience #SculptAttribute pointers. */
   SculptAttributePointers attrs;
 
   /**
@@ -753,7 +753,7 @@ void BKE_sculptsession_bm_to_me(struct Object *ob, bool reorder);
 void BKE_sculptsession_bm_to_me_for_render(struct Object *object);
 int BKE_sculptsession_vertex_count(const SculptSession *ss);
 
-/* Ensure an attribute layer exists.*/
+/* Ensure an attribute layer exists. */
 SculptAttribute *BKE_sculpt_attribute_ensure(struct Object *ob,
                                              eAttrDomain domain,
                                              eCustomDataType proptype,
@@ -773,7 +773,7 @@ bool BKE_sculpt_attribute_exists(struct Object *ob,
 
 bool BKE_sculpt_attribute_destroy(struct Object *ob, SculptAttribute *attr);
 
-/* Destroy all attributes and psuedo-attributes created by sculpt mode.*/
+/* Destroy all attributes and pseudo-attributes created by sculpt mode. */
 void BKE_sculpt_attribute_destroy_temporary_all(struct Object *ob);
 
 /* Destroy attributes that were marked as stroke only in SculptAttributeParams. */
diff --git a/source/blender/blenkernel/intern/appdir.c b/source/blender/blenkernel/intern/appdir.c
index 96ac81fdb63..e3c42c8bb78 100644
--- a/source/blender/blenkernel/intern/appdir.c
+++ b/source/blender/blenkernel/intern/appdir.c
@@ -888,7 +888,7 @@ void BKE_appdir_program_path_init(const char *argv0)
 
 const char *BKE_appdir_program_path(void)
 {
-#ifndef WITH_PYTHON_MODULE /* Default's to empty when building as as Python module. */
+#ifndef WITH_PYTHON_MODULE /* Default's to empty when building as a Python module. */
   BLI_assert(g_app.program_filepath[0]);
 #endif
   return g_app.program_filepath;
diff --git a/source/blender/blenkernel/intern/multires.c b/source/blender/blenkernel/intern/multires.c
index 7dc7e6009d9..ce61ca483e9 100644
--- a/source/blender/blenkernel/intern/multires.c
+++ b/source/blender/blenkernel/intern/multires.c
@@ -62,7 +62,7 @@ typedef enum {
 static void multiresModifier_disp_run(
     DerivedMesh *dm, Mesh *me, DerivedMesh *dm2, DispOp op, CCGElem **oldGridData, int totlvl);
 
-/** Customdata */
+/** Custom-data. */
 
 void multires_customdata_delete(Mesh *me)
 {
diff --git a/source/blender/blenkernel/intern/paint.cc b/source/blender/blenkernel/intern/paint.cc
index 887ae1c8121..27ab51f8f71 100644
--- a/source/blender/blenkernel/intern/paint.cc
+++ b/source/blender/blenkernel/intern/paint.cc
@@ -2816,7 +2816,7 @@ bool BKE_sculpt_attribute_destroy(Object *ob, SculptAttribute *attr)
 
   BLI_assert(attr->used);
 
-  /* Remove from convienience pointer struct. */
+  /* Remove from convenience pointer struct. */
   SculptAttribute **ptrs = (SculptAttribute **)&ss->attrs;
   int ptrs_num = sizeof(ss->attrs) / sizeof(void *);
 
diff --git a/source/blender/blenlib/BLI_compute_context.hh b/source/blender/blenlib/BLI_compute_context.hh
index 7422467e400..e3e5b6f9e85 100644
--- a/source/blender/blenlib/BLI_compute_context.hh
+++ b/source/blender/blenlib/BLI_compute_context.hh
@@ -10,7 +10,7 @@
  * can combine the logged value with a `ComputeContext`, which identifies the place where the value
  * was computed.
  *
- * This is not a trivial problem because e.g. just storing storing a pointer to the socket a value
+ * This is not a trivial problem because e.g. just storing a pointer to the socket a value
  * belongs to is not enough. That's because the same socket may correspond to many different values
  * when the socket is used in a node group that is used multiple times. In this case, not only does
  * the socket have to be stored but also the entire nested node group path that led to the
diff --git a/source/blender/blenlib/BLI_path_util.h b/source/blender/blenlib/BLI_path_util.h
index 5ae2de99d8f..1e45e76afe1 100644
--- a/source/blender/blenlib/BLI_path_util.h
+++ b/source/blender/blenlib/BLI_path_util.h
@@ -106,10 +106,10 @@ size_t BLI_path_join(char *__restrict dst, size_t dst_len, const char *path, ...
 const char *BLI_path_basename(const char *path) ATTR_NONNULL() ATTR_WARN_UNUSED_RESULT;
 /**
  * Get an element of the path at an index, eg:
- * "/some/path/file.txt" where an index of:
- * - 0 or -3: "some"
- * - 1 or -2: "path"
- * - 2 or -1: "file.txt"
+ * `/some/path/file.txt` where an index of:
+ * - 0 or -3: `some`
+ * - 1 or -2: `path`
+ * - 2 or -1: `file.txt`
  *
  * Ignores multiple slashes at any point in the path (including start/end).
  */
diff --git a/source/blender/blenlib/intern/path_util.c b/source/blender/blenlib/intern/path_util.c
index c053c3907db..9b91636b055 100644
--- a/source/blender/blenlib/intern/path_util.c
+++ b/source/blender/blenlib/intern/path_util.c
@@ -466,8 +466,8 @@ void BLI_path_rel(char *file, const char *relfile)
 #ifdef WIN32
   if (BLI_strnlen(relfile, 3) > 2 && !BLI_path_is_abs(relfile)) {
     char *ptemp;
-    /* fix missing volume name in relative base,
-     * can happen with old recent-files.txt files */
+    /* Fix missing volume name in relative base,
+     * can happen with old `recent-files.txt` files. */
     BLI_windows_get_default_root_dir(temp);
     ptemp = &temp[2];
     if (!ELEM(relfile[0], '\\', '/')) {
diff --git a/source/blender/bmesh/operators/bmo_join_triangles.c b/source/blender/bmesh/operators/bmo_join_triangles.c
index 1339efb3057..ab74aa2e1bb 100644
--- a/source/blender/bmesh/operators/bmo_join_triangles.c
+++ b/source/blender/bmesh/operators/bmo_join_triangles.c
@@ -22,7 +22,9 @@
 
 #include "intern/bmesh_operators_private.h" /* own include */
 
-/* assumes edges are validated before reaching this poin */
+/**
+ * \note Assumes edges are validated before reaching this point.
+ */
 static float quad_calc_error(const float v1[3],
                              const float v2[3],
                              const float v3[3],
diff --git a/source/blender/bmesh/operators/bmo_subdivide.c b/source/blender/bmesh/operators/bmo_subdivide.c
index b6cd4dc8777..6b2df40549d 100644
--- a/source/blender/bmesh/operators/bmo_subdivide.c
+++ b/source/blender/bmesh/operators/bmo_subdivide.c
@@ -86,7 +86,7 @@ typedef struct SubDPattern {
  *   split the edge only?
  */
 
-/* flags for all elements share a common bitfield space */
+/** Flags for all elements share a common bit-field space. */
 #define SUBD_SPLIT 1
 
 #define EDGE_PERCENT 2
diff --git a/source/blender/editors/armature/armature_add.c b/source/blender/editors/armature/armature_add.c
index 2e4e13d2773..17484b2b0b7 100644
--- a/source/blender/editors/armature/armature_add.c
+++ b/source/blender/editors/armature/armature_add.c
@@ -541,7 +541,7 @@ static void updateDuplicateActionConstraintSettings(
   }
   BLI_freelistN(&ani_curves);
 
-  /* Make deps graph aware of our changes */
+  /* Make depsgraph aware of our changes. */
   DEG_id_tag_update(&act->id, ID_RECALC_ANIMATION_NO_FLUSH);
 }
 
diff --git a/source/blender/editors/include/ED_keyframes_edit.h b/source/blender/editors/include/ED_keyframes_edit.h
index 1d63e01c84b..e5bcdcdd282 100644
--- a/source/blender/editors/include/ED_keyframes_edit.h
+++ b/source/blender/editors/include/ED_keyframes_edit.h
@@ -235,7 +235,7 @@ typedef enum eKeyPasteError {
   KEYFRAME_PASTE_OK,
   /* Nothing was copied */
   KEYFRAME_PASTE_NOTHING_TO_PASTE,
-  /* No F-curves was selected to paste into*/
+  /* No F-curves was selected to paste into. */
   KEYFRAME_PASTE_NOWHERE_TO_PASTE
 } eKeyPasteError;
 
diff --git a/source/blender/editors/object/object_add.cc b/source/blender/editors/object/object_add.cc
index 6bb8dcb513b..9d06a6d5f40 100644
--- a/source/blender/editors/object/object_add.cc
+++ b/source/blender/editors/object/object_add.cc
@@ -3307,7 +3307,7 @@ static int object_convert_exec(bContext *C, wmOperator *op)
       baseob = BKE_mball_basis_find(scene, ob);
 
       if (ob != baseob) {
-        /* if motherball is converting it would be marked as done later */
+        /* If mother-ball is converting it would be marked as done later. */
         ob->flag |= OB_DONE;
       }
 
diff --git a/source/blender/editors/space_buttons/buttons_intern.h b/source/blender/editors/space_buttons/buttons_intern.h
index 520d3a7c38d..1430cd4a8e8 100644
--- a/source/blender/editors/space_buttons/buttons_intern.h
+++ b/source/blender/editors/space_buttons/buttons_intern.h
@@ -26,7 +26,7 @@ struct SpaceProperties_Runtime {
   /** For filtering properties displayed in the space. */
   char search_string[UI_MAX_NAME_STR];
   /**
-   * Bitfield (in the same order as the tabs) for whether each tab has properties
+   * Bit-field (in the same order as the tabs) for whether each tab has properties
    * that match the search filter. Only valid when #search_string is set.
    */
   BLI_bitmap *tab_search_results;
diff --git a/source/blender/editors/space_graph/graph_buttons.c b/source/blender/editors/space_graph/graph_buttons.c
index 2d3b43ec728..edba3c39042 100644
--- a/source/blender/editors/space_graph/graph_buttons.c
+++ b/source/blender/editors/space_graph/graph_buttons.c
@@ -641,7 +641,7 @@ static void do_graph_region_driver_buttons(bContext *C, void *id_v, int event)
       ID *id = id_v;
       AnimData *adt = BKE_animdata_from_id(id);
 
-      /* rebuild depsgraph for the new deps, and ensure COW copies get flushed. */
+      /* Rebuild depsgraph for the new dependencies, and ensure COW copies get flushed. */
       DEG_relations_tag_update(bmain);
       DEG_id_tag_update_ex(bmain, id, ID_RECALC_COPY_ON_WRITE);
       if (adt != NULL) {
diff --git a/source/blender/editors/space_graph/graph_edit.c b/source/blender/editors/space_graph/graph_edit.c
index 64a3c603e73..39be05618d5 100644
--- a/source/blender/editors/space_graph/graph_edit.c
+++ b/source/blender/editors/space_graph/graph_edit.c
@@ -3020,7 +3020,7 @@ static int graph_driver_vars_paste_exec(bContext *C, wmOperator *op)
 
   /* Successful or not? */
   if (ok) {
-    /* Rebuild depsgraph, now that there are extra deps here. */
+    /* Rebuild depsgraph, now that there are extra dependencies here. */
     DEG_relations_tag_update(CTX_data_main(C));
 
     /* Set notifier that keyframes have changed. */
diff --git a/source/blender/editors/space_view3d/space_view3d.c b/source/blender/editors/space_view3d/space_view3d.c
index 3357e872af7..723a5f859a6 100644
--- a/source/blender/editors/space_view3d/space_view3d.c
+++ b/source/blender/editors/space_view3d/space_view3d.c
@@ -1510,7 +1510,7 @@ static void view3d_header_region_listener(const wmRegionListenerParams *params)
       break;
   }
 
-    /* From topbar, which ones are needed? split per header? */
+    /* From top-bar, which ones are needed? split per header? */
     /* Disable for now, re-enable if needed, or remove - campbell. */
 #if 0
   /* context changes */
diff --git a/source/blender/geometry/intern/trim_curves.cc b/source/blender/geometry/intern/trim_curves.cc
index fb00cfe61db..cd93f295685 100644
--- a/source/blender/geometry/intern/trim_curves.cc
+++ b/source/blender/geometry/intern/trim_curves.cc
@@ -728,7 +728,7 @@ static void sample_interval_bezier(const Span<float3> src_positions,
   }
   else {
     /* Trimmed in both ends within the same (and only) segment! Ensure both end points is not a
-     * loop.*/
+     * loop. */
     if (start_point_trimmed && start_point.index == end_point.index &&
         start_point.parameter <= end_point.parameter) {
 
diff --git a/source/blender/gpu/metal/mtl_command_buffer.mm b/source/blender/gpu/metal/mtl_command_buffer.mm
index 0e13e8d4690..d2936e8e91f 100644
--- a/source/blender/gpu/metal/mtl_command_buffer.mm
+++ b/source/blender/gpu/metal/mtl_command_buffer.mm
@@ -498,7 +498,7 @@ bool MTLCommandBufferManager::insert_memory_barrier(eGPUBarrier barrier_bits,
         /* Rendering. */
         case MTL_RENDER_COMMAND_ENCODER: {
           /* Currently flagging both stages -- can use bits above to filter on stage type --
-           * though full barrier is safe for now*/
+           * though full barrier is safe for now. */
           MTLRenderStages before_stage_flags = 0;
           MTLRenderStages after_stage_flags = 0;
           if (before_stages & GPU_BARRIER_STAGE_VERTEX &&
diff --git a/source/blender/gpu/metal/mtl_context.hh b/source/blender/gpu/metal/mtl_context.hh
index e996193e722..577438667d6 100644
--- a/source/blender/gpu/metal/mtl_context.hh
+++ b/source/blender/gpu/metal/mtl_context.hh
@@ -248,7 +248,7 @@ struct MTLContextTextureUtils {
   /* Depth texture updates are not directly supported with Blit operations, similarly, we cannot
    * use a compute shader to write to depth, so we must instead render to a depth target.
    * These processes use vertex/fragment shaders to render texture data from an intermediate
-   * source, in order to prime the depth buffer*/
+   * source, in order to prime the depth buffer. */
   blender::Map<DepthTextureUpdateRoutineSpecialisation, GPUShader *> depth_2d_update_shaders;
   GPUShader *fullscreen_blit_shader = nullptr;
 
diff --git a/source/blender/gpu/metal/mtl_index_buffer.mm b/source/blender/gpu/metal/mtl_index_buffer.mm
index 2195ab7538d..9712dce7b40 100644
--- a/source/blender/gpu/metal/mtl_index_buffer.mm
+++ b/source/blender/gpu/metal/mtl_index_buffer.mm
@@ -138,7 +138,7 @@ void MTLIndexBuf::update_sub(uint32_t start, uint32_t len, const void *data)
   BLI_assert(ibo_ != nullptr);
 
   /* Otherwise, we will inject a data update, using staged data, into the command stream.
-   * Stage update contents in temporary buffer*/
+   * Stage update contents in temporary buffer. */
   MTLContext *ctx = static_cast<MTLContext *>(unwrap(GPU_context_active_get()));
   BLI_assert(ctx);
   MTLTemporaryBuffer range = ctx->get_scratchbuffer_manager().scratch_buffer_allocate_range(len);
diff --git a/source/blender/gpu/metal/mtl_texture.hh b/source/blender/gpu/metal/mtl_texture.hh
index be6f3a3a02b..766f01d9018 100644
--- a/source/blender/gpu/metal/mtl_texture.hh
+++ b/source/blender/gpu/metal/mtl_texture.hh
@@ -247,7 +247,7 @@ class MTLTexture : public Texture {
   void mip_range_set(int min, int max) override;
   void *read(int mip, eGPUDataFormat type) override;
 
-  /* Remove once no longer required -- will just return 0 for now in MTL path*/
+  /* Remove once no longer required -- will just return 0 for now in MTL path. */
   uint gl_bindcode_get() const override;
 
   bool texture_is_baked();
@@ -357,9 +357,9 @@ class MTLTexture : public Texture {
    */
   struct TextureUpdateParams {
     int mip_index;
-    int extent[3];          /* Width, Height, Slice on 2D Array tex*/
-    int offset[3];          /* Width, Height, Slice on 2D Array tex*/
-    uint unpack_row_length; /* Number of pixels between bytes in input data */
+    int extent[3];          /* Width, Height, Slice on 2D Array tex. */
+    int offset[3];          /* Width, Height, Slice on 2D Array tex. */
+    uint unpack_row_length; /* Number of pixels between bytes in input data. */
   };
 
   id<MTLComputePipelineState> texture_update_1d_get_kernel(
@@ -383,7 +383,7 @@ class MTLTexture : public Texture {
   /* Depth texture updates are not directly supported with Blit operations, similarly, we cannot
    * use a compute shader to write to depth, so we must instead render to a depth target.
    * These processes use vertex/fragment shaders to render texture data from an intermediate
-   * source, in order to prime the depth buffer*/
+   * source, in order to prime the depth buffer. */
   GPUShader *depth_2d_update_sh_get(DepthTextureUpdateRoutineSpecialisation specialization);
 
   void update_sub_depth_2d(
@@ -392,8 +392,8 @@ class MTLTexture : public Texture {
   /* Texture Read function utilities -- Follows a similar mechanism to the updating routines */
   struct TextureReadParams {
     int mip_index;
-    int extent[3]; /* Width, Height, Slice on 2D Array tex*/
-    int offset[3]; /* Width, Height, Slice on 2D Array tex*/
+    int extent[3]; /* Width, Height, Slice on 2D Array tex. */
+    int offset[3]; /* Width, Height, Slice on 2D Array tex. */
   };
 
   id<MTLComputePipelineState> texture_read_1d_get_kernel(
diff --git a/source/blender/makesdna/DNA_mesh_types.h b/source/blender/makesdna/DNA_mesh_types.h
index d335b36950c..cbefbf021a9 100644
--- a/source/blender/makesdna/DNA_mesh_types.h
+++ b/source/blender/makesdna/DNA_mesh_types.h
@@ -285,7 +285,7 @@ typedef struct Mesh {
   struct MVert *mvert DNA_DEPRECATED;
   /** Deprecated array of mesh edges, kept for reading old files, now stored in #CustomData. */
   struct MEdge *medge DNA_DEPRECATED;
-  /** Deprecated "Vertex group" data. Kept for reading old files, now stored in #CustomData.*/
+  /** Deprecated "Vertex group" data. Kept for reading old files, now stored in #CustomData. */
   struct MDeformVert *dvert DNA_DEPRECATED;
   /** Deprecated runtime data for tessellation face UVs and texture, kept for reading old files. */
   struct MTFace *mtface DNA_DEPRECATED;
diff --git a/source/blender/makesdna/DNA_particle_types.h b/source/blender/makesdna/DNA_particle_types.h
index 268e1412eef..f152a5bcc61 100644
--- a/source/blender/makesdna/DNA_particle_types.h
+++ b/source/blender/makesdna/DNA_particle_types.h
@@ -159,7 +159,7 @@ typedef struct SPHFluidSettings {
   char _pad[6];
 } SPHFluidSettings;
 
-/* fluid->flag */
+/** #SPHFluidSettings.flag */
 #define SPH_VISCOELASTIC_SPRINGS 1
 #define SPH_CURRENT_REST_LENGTH 2
 #define SPH_FAC_REPULSION 4
@@ -168,7 +168,7 @@ typedef struct SPHFluidSettings {
 #define SPH_FAC_VISCOSITY 32
 #define SPH_FAC_REST_LENGTH 64
 
-/* fluid->solver (numerical ID field, not bitfield) */
+/** #SPHFluidSettings.solver (numerical ID field, not bit-field). */
 #define SPH_SOLVER_DDR 0
 #define SPH_SOLVER_CLASSICAL 1
 
diff --git a/source/blender/makesdna/DNA_sound_types.h b/source/blender/makesdna/DNA_sound_types.h
index ba926f0f4fa..65d62b68561 100644
--- a/source/blender/makesdna/DNA_sound_types.h
+++ b/source/blender/makesdna/DNA_sound_types.h
@@ -78,7 +78,7 @@ typedef struct bSound {
   /* XXX unused currently (SOUND_TYPE_LIMITER) */
   /* float start, end; */
 
-  /* Description of Audio channels, as of eSoundChannels*/
+  /* Description of Audio channels, as of #eSoundChannels. */
   int audio_channels;
 
   int samplerate;
diff --git a/source/blender/makesdna/DNA_texture_types.h b/source/blender/makesdna/DNA_texture_types.h
index e32d9dbe300..c7d49db130e 100644
--- a/source/blender/makesdna/DNA_texture_types.h
+++ b/source/blender/makesdna/DNA_texture_types.h
@@ -115,7 +115,7 @@ typedef struct PointDensity {
 
   /** for 'Object' or 'Particle system' type - source object */
   struct Object *object;
-  /** `index + 1` in ob.particlesystem, non-ID pointer not allowed */
+  /** `index + 1` in ob.particle-system, non-ID pointer not allowed. */
   int psys;
   /** cache points in world-space, object space, ... ? */
   short psys_cache_space;
diff --git a/source/blender/makesrna/RNA_access.h b/source/blender/makesrna/RNA_access.h
index ddc010f27a1..a7eacb03a63 100644
--- a/source/blender/makesrna/RNA_access.h
+++ b/source/blender/makesrna/RNA_access.h
@@ -159,10 +159,10 @@ PropertyScaleType RNA_property_ui_scale(PropertyRNA *prop);
 int RNA_property_flag(PropertyRNA *prop);
 int RNA_property_override_flag(PropertyRNA *prop);
 /**
- * Get the tags set for \a prop as int bitfield.
+ * Get the tags set for \a prop as int bit-field.
  * \note Doesn't perform any validity check on the set bits. #RNA_def_property_tags does this
  *       in debug builds (to avoid performance issues in non-debug builds), which should be
- *       the only way to set tags. Hence, at this point we assume the tag bitfield to be valid.
+ *       the only way to set tags. Hence, at this point we assume the tag bit-field to be valid.
  */
 int RNA_property_tags(PropertyRNA *prop);
 bool RNA_property_builtin(PropertyRNA *prop);
diff --git a/source/blender/makesrna/intern/rna_object.c b/source/blender/makesrna/intern/rna_object.c
index 467bfa57538..d60e732ba51 100644
--- a/source/blender/makesrna/intern/rna_object.c
+++ b/source/blender/makesrna/intern/rna_object.c
@@ -381,7 +381,7 @@ static void rna_MaterialIndex_update(Main *UNUSED(bmain), Scene *UNUSED(scene),
 {
   Object *ob = (Object *)ptr->owner_id;
   if (ob && ob->type == OB_GPENCIL) {
-    /* notifying material property in topbar */
+    /* Notifying material property in top-bar. */
     WM_main_add_notifier(NC_SPACE | ND_SPACE_VIEW3D, NULL);
   }
 }
diff --git a/source/blender/modifiers/intern/MOD_correctivesmooth.c b/source/blender/modifiers/intern/MOD_correctivesmooth.c
index f9c6cf8416d..5a9f7c657eb 100644
--- a/source/blender/modifiers/intern/MOD_correctivesmooth.c
+++ b/source/blender/modifiers/intern/MOD_correctivesmooth.c
@@ -412,7 +412,7 @@ static bool calc_tangent_loop(const float v_dir_prev[3],
    * NOTE: while it seems more logical to use `v_dir_prev` & `v_dir_next` as separate X/Y axis
    * (instead of combining them as is done here). It's not necessary as the directions of the
    * axis aren't important as long as the difference between tangent matrices is equivalent.
-   * Some computations can be skipped by combining the the two directions,
+   * Some computations can be skipped by combining the two directions,
    * using the cross product for the 3rd axes. */
   add_v3_v3(r_tspace[0], r_tspace[1]);
   normalize_v3(r_tspace[0]);
diff --git a/source/blender/windowmanager/intern/wm_files.c b/source/blender/windowmanager/intern/wm_files.c
index 9d6687eaa9c..6216cd87e70 100644
--- a/source/blender/windowmanager/intern/wm_files.c
+++ b/source/blender/windowmanager/intern/wm_files.c
@@ -1783,7 +1783,7 @@ static bool wm_file_write(bContext *C,
   /* NOTE: Ideally we would call `WM_redraw_windows` here to remove any open menus.
    * But we can crash if saving from a script, see T92704 & T97627.
    * Just checking `!G.background && BLI_thread_is_main()` is not sufficient to fix this.
-   * Additionally some some EGL configurations don't support reading the front-buffer
+   * Additionally some EGL configurations don't support reading the front-buffer
    * immediately after drawing, see: T98462. In that case off-screen drawing is necessary. */
 
   /* don't forget not to return without! */