Cleanup: typos, copy/paste error

source/blender/blenlib/BLI_kdtree_impl.h

@@ -108,7 +108,7 @@ int BLI_kdtree_nd_(calc_duplicates_fast)(const KDTree *tree,
  *
  * \param tree: A tree, all indices *must* be unique.
  * \param deduplicate_cb: A function which receives duplicate indices,
- * it must choose the the "target" index to keep which is returned.
+ * it must choose the "target" index to keep which is returned.
  * The return value is an index in the `cluster` array (a value from `0..cluster_num`).
  * The last item in `cluster` is the index from which the search began.
  *

source/blender/bmesh/intern/bmesh_marking.hh

@@ -108,7 +108,7 @@ void BM_mesh_select_mode_flush_ex(BMesh *bm, short selectmode, eBMSelectionFlush
 void BM_mesh_select_mode_flush(BMesh *bm);
 
 /**
- * Mode independent UV selection/de-selection flush.
+ * Mode independent selection/de-selection flush.
  *
  * \param select: When true, flush the selection state to de-selected elements,
  * otherwise perform the opposite, flushing de-selection.

source/blender/nodes/shader/nodes/node_shader_radial_tiling.cc

@@ -33,8 +33,8 @@ static void sh_node_radial_tiling_declare(NodeDeclarationBuilder &b)
   b.add_output<decl::Float>("Segment Width")
       .no_muted_links()
       .description(
-          "Relatve width of each angular segment. May be used to scale textures to fit into each "
-          "segment");
+          "Relative width of each angular segment. "
+          "May be used to scale textures to fit into each segment");
   b.add_output<decl::Float>("Segment Rotation")
       .no_muted_links()
       .description(