Cleanup: spelling in comments

Also minor wording improvements.

7 files changed, 16 insertions, 14 deletions

diff --git a/source/blender/blenlib/intern/voronoi_2d.c b/source/blender/blenlib/intern/voronoi_2d.c
index 5b998973a20..65f9994bce7 100644
--- a/source/blender/blenlib/intern/voronoi_2d.c
+++ b/source/blender/blenlib/intern/voronoi_2d.c
@@ -777,7 +777,7 @@ static void voronoi_addTriangle(
     *r_triangles = MEM_reallocN(*r_triangles, sizeof(int[3]) * (*r_triangles_total + 1));
   }
   else {
-    *r_triangles = MEM_callocN(sizeof(int[3]), "trianglulation triangles");
+    *r_triangles = MEM_callocN(sizeof(int[3]), "triangulation triangles");
   }
 
   triangle = (int *)&(*r_triangles)[(*r_triangles_total)];
diff --git a/source/blender/draw/intern/draw_instance_data.c b/source/blender/draw/intern/draw_instance_data.c
index 7e1d1208698..ca01a99c0d3 100644
--- a/source/blender/draw/intern/draw_instance_data.c
+++ b/source/blender/draw/intern/draw_instance_data.c
@@ -80,7 +80,7 @@ typedef struct DRWTempInstancingHandle {
   GPUBatch *batch;
   /** Batch containing instancing attributes. */
   GPUBatch *instancer;
-  /** Callbuffer to be used instead of instancer. */
+  /** Call-buffer to be used instead of instancer. */
   GPUVertBuf *buf;
   /** Original non-instanced batch pointer. */
   GPUBatch *geom;
diff --git a/source/blender/draw/intern/draw_manager.c b/source/blender/draw/intern/draw_manager.c
index 45e4c2a575e..1249004eda0 100644
--- a/source/blender/draw/intern/draw_manager.c
+++ b/source/blender/draw/intern/draw_manager.c
@@ -1482,7 +1482,7 @@ void DRW_draw_callbacks_post_scene(void)
      * Don't trust them! */
     DRW_state_reset();
 
-    /* needed so gizmo isn't obscured */
+    /* Needed so gizmo isn't occluded. */
     if ((v3d->gizmo_flag & V3D_GIZMO_HIDE) == 0) {
       GPU_depth_test(GPU_DEPTH_NONE);
       DRW_draw_gizmo_3d();
diff --git a/source/blender/gpu/intern/gpu_shader_dependency.cc b/source/blender/gpu/intern/gpu_shader_dependency.cc
index e8c9a1e6e52..3965d796647 100644
--- a/source/blender/gpu/intern/gpu_shader_dependency.cc
+++ b/source/blender/gpu/intern/gpu_shader_dependency.cc
@@ -199,7 +199,7 @@ struct GPUSource {
    *
    * IMPORTANT: This has some requirements:
    * - Enums needs to have underlying types specified to uint32_t to make them usable in UBO/SSBO.
-   * - All values needs to be specified using constant literals to avoid compiler differencies.
+   * - All values needs to be specified using constant literals to avoid compiler differences.
    * - All values needs to have the 'u' suffix to avoid GLSL compiler errors.
    */
   void enum_preprocess(void)
diff --git a/source/blender/io/usd/intern/usd_writer_material.cc b/source/blender/io/usd/intern/usd_writer_material.cc
index af448dc7794..52ad349fb98 100644
--- a/source/blender/io/usd/intern/usd_writer_material.cc
+++ b/source/blender/io/usd/intern/usd_writer_material.cc
@@ -440,7 +440,7 @@ static pxr::TfToken get_node_tex_image_color_space(bNode *node)
   return pxr::TfToken();
 }
 
-/* Search the upstream nodes connected to the given socket and return the first occurrance
+/* Search the upstream nodes connected to the given socket and return the first occurrence
  * of the node of the given type. Return null if no node of this type was found. */
 static bNode *traverse_channel(bNodeSocket *input, const short target_type)
 {
@@ -464,7 +464,7 @@ static bNode *traverse_channel(bNodeSocket *input, const short target_type)
   return nullptr;
 }
 
-/* Returns the first occurence of a principled bsdf or a diffuse bsdf node found in the given
+/* Returns the first occurrence of a principled BSDF or a diffuse BSDF node found in the given
  * material's node tree.  Returns null if no instance of either type was found.*/
 static bNode *find_bsdf_node(Material *material)
 {
diff --git a/source/blender/io/usd/intern/usd_writer_material.h b/source/blender/io/usd/intern/usd_writer_material.h
index b2c732963dc..435ac41c4bf 100644
--- a/source/blender/io/usd/intern/usd_writer_material.h
+++ b/source/blender/io/usd/intern/usd_writer_material.h
@@ -31,17 +31,19 @@ namespace blender::io::usd {
 
 struct USDExporterContext;
 
-/* Entry point to create an approximate USD Preview Surface network from a Cycles node graph.
+/**
+ * Entry point to create an approximate USD Preview Surface network from a Cycles node graph.
  * Due to the limited nodes in the USD Preview Surface specification, only the following nodes
  * are supported:
- *  - UVMap
- *  - Texture Coordinate
- *  - Image Texture
- *  - Principled BSDF
+ * - UVMap
+ * - Texture Coordinate
+ * - Image Texture
+ * - Principled BSDF
  * More may be added in the future.
  *
- * The 'default_uv' paramter is used as the default UV set name sampled by the primvar
- * reader shaders generated for image texture nodes that don't have an attached UVMAp node. */
+ * \param default_uv: used as the default UV set name sampled by the `primvar`
+ * reader shaders generated for image texture nodes that don't have an attached UVMap node.
+ */
 void create_usd_preview_surface_material(const USDExporterContext &usd_export_context,
                                          Material *material,
                                          pxr::UsdShadeMaterial &usd_material,
diff --git a/source/blender/makesrna/intern/rna_object_api.c b/source/blender/makesrna/intern/rna_object_api.c
index cc9f6454337..dbf9b757728 100644
--- a/source/blender/makesrna/intern/rna_object_api.c
+++ b/source/blender/makesrna/intern/rna_object_api.c
@@ -1012,7 +1012,7 @@ void RNA_api_object(StructRNA *srna)
       parm, "", "The ortho scale to aim to be able to see all given points (if relevant)");
   RNA_def_parameter_flags(parm, 0, PARM_OUTPUT);
 
-  /* Crazyspace access. */
+  /* Crazy-space access. */
 
   func = RNA_def_function(srna, "crazyspace_eval", "rna_Object_crazyspace_eval");
   RNA_def_function_ui_description(