diff --git a/intern/opensubdiv/internal/topology/topology_refiner_factory.cc b/intern/opensubdiv/internal/topology/topology_refiner_factory.cc
index 9688bc9eb0f..877c62b83ac 100644
--- a/intern/opensubdiv/internal/topology/topology_refiner_factory.cc
+++ b/intern/opensubdiv/internal/topology/topology_refiner_factory.cc
@@ -70,7 +70,7 @@ inline bool TopologyRefinerFactory<TopologyRefinerData>::resizeComponentTopology
   // not see any edges, which will indicate to it that winding and edges are to
   // be reconstructed).
   //
-  // NOTE: it is a possible usecase when user code does not need crease at all
+  // NOTE: it is a possible use case when user code does not need crease at all
   // (which is the only real reason why converter would want to provide edges in
   // the case of partial topology specification). So it might be so getNumEdges
   // callback is nullptr.
diff --git a/source/blender/blenkernel/intern/lib_override.c b/source/blender/blenkernel/intern/lib_override.c
index ec53229057c..d2b2f01a81c 100644
--- a/source/blender/blenkernel/intern/lib_override.c
+++ b/source/blender/blenkernel/intern/lib_override.c
@@ -290,7 +290,7 @@ bool BKE_lib_override_library_create_from_tag(Main *bmain)
     reference_id = todo_id_iter->data;
     if (reference_id->newid == NULL) {
       /* If newid is already set, assume it has been handled by calling code.
-       * Only current usecase: re-using proxy ID when converting to liboverride. */
+       * Only current use case: re-using proxy ID when converting to liboverride. */
       if ((reference_id->newid = lib_override_library_create_from(bmain, reference_id)) == NULL) {
         success = false;
         break;
@@ -426,9 +426,9 @@ void BKE_lib_override_library_dependencies_tag(Main *bmain,
     BKE_main_relations_create(bmain, 0);
   }
 
-  /* We tag all intermediary data-blocks in-between two overridden ones (e.g. if a shapekey
-   * has a driver using an armature object's bone, we need to override the shapekey/obdata, the
-   * objects using them, etc.) */
+  /* We tag all intermediary data-blocks in-between two overridden ones (e.g. if a shape-key
+   * has a driver using an armature object's bone, we need to override the shape-key/obdata,
+   * the objects using them, etc.) */
   lib_override_hierarchy_recursive_tag(bmain, id_root, tag, NULL);
 
   BKE_main_relations_free(bmain);
@@ -681,7 +681,7 @@ bool BKE_lib_override_library_proxy_convert(Main *bmain,
                                             ViewLayer *view_layer,
                                             Object *ob_proxy)
 {
-  /* proxy_group, if defined, is the empty instanciating the collection from which the proxy is
+  /* proxy_group, if defined, is the empty instantiating the collection from which the proxy is
    * coming. */
   Object *ob_proxy_group = ob_proxy->proxy_group;
   const bool is_override_instancing_object = ob_proxy_group != NULL;
@@ -1761,9 +1761,9 @@ void BKE_lib_override_library_main_update(Main *bmain)
 {
   ID *id;
 
-  /* This temporary swap of G_MAIN is rather ugly, but neessary to avoid asserts checks in some RNA
-   * assignement functions, since those always use on G_MAIN when they need acces to a Main
-   * database. */
+  /* This temporary swap of G_MAIN is rather ugly,
+   * but necessary to avoid asserts checks in some RNA assignment functions,
+   * since those always use on G_MAIN when they need access to a Main database. */
   Main *orig_gmain = G_MAIN;
   G_MAIN = bmain;
 
diff --git a/source/blender/blenkernel/intern/lib_remap.c b/source/blender/blenkernel/intern/lib_remap.c
index c88513ec2af..f0031d4191d 100644
--- a/source/blender/blenkernel/intern/lib_remap.c
+++ b/source/blender/blenkernel/intern/lib_remap.c
@@ -73,11 +73,11 @@ typedef struct IDRemap {
 
   /* 'Output' data. */
   short status;
-  /** Number of direct usecases that could not be remapped (e.g.: obdata when in edit mode). */
+  /** Number of direct use cases that could not be remapped (e.g.: obdata when in edit mode). */
   int skipped_direct;
-  /** Number of indirect usecases that could not be remapped. */
+  /** Number of indirect use cases that could not be remapped. */
   int skipped_indirect;
-  /** Number of skipped usecases that refcount the datablock. */
+  /** Number of skipped use cases that refcount the data-block. */
   int skipped_refcounted;
 } IDRemap;
 
diff --git a/source/blender/editors/interface/interface_panel.c b/source/blender/editors/interface/interface_panel.c
index 18b134ced4a..2917758c995 100644
--- a/source/blender/editors/interface/interface_panel.c
+++ b/source/blender/editors/interface/interface_panel.c
@@ -1903,7 +1903,7 @@ static void panels_layout_begin_clear_flags(ListBase *lb)
 void UI_panels_begin(const bContext *UNUSED(C), ARegion *region)
 {
   /* Set all panels as inactive, so that at the end we know which ones were used. Also
-   * clear other flags so we know later that their values were set for th current redraw. */
+   * clear other flags so we know later that their values were set for the current redraw. */
   panels_layout_begin_clear_flags(&region->panels);
 }
 
diff --git a/source/blender/editors/sculpt_paint/sculpt_pose.c b/source/blender/editors/sculpt_paint/sculpt_pose.c
index 4081e7a962f..4b318a05591 100644
--- a/source/blender/editors/sculpt_paint/sculpt_pose.c
+++ b/source/blender/editors/sculpt_paint/sculpt_pose.c
@@ -539,10 +539,13 @@ static bool pose_face_sets_floodfill_cb(
 
 /* Public functions. */
 
-/* Calculate the pose origin and (Optionaly the pose factor) that is used when using the pose brush
+/**
+ * Calculate the pose origin and (Optionally the pose factor)
+ * that is used when using the pose brush.
  *
- * r_pose_origin must be a valid pointer. the r_pose_factor is optional. When set to NULL it won't
- * be calculated. */
+ * \param r_pose_origin: Must be a valid pointer.
+ * \param r_pose_factor: Optional, when set to NULL it won't be calculated.
+ */
 void SCULPT_pose_calc_pose_data(Sculpt *sd,
                                 Object *ob,
                                 SculptSession *ss,