Cleanup: comments

1 files changed, 4 insertions, 2 deletions

diff --git a/source/blender/python/intern/bpy_rna.c b/source/blender/python/intern/bpy_rna.c
index 6bc7676973c..4c14f8ca8d3 100644
--- a/source/blender/python/intern/bpy_rna.c
+++ b/source/blender/python/intern/bpy_rna.c
@@ -8684,7 +8684,8 @@ static PyObject *pyrna_register_class(PyObject *UNUSED(self), PyObject *py_class
     return NULL;
   }
 
-  /* Call classed register method. */
+  /* Call classed register method.
+   * Note that zero falls through, no attribute, no error. */
   switch (_PyObject_LookupAttr(py_class, bpy_intern_str_register, &py_cls_meth)) {
     case 1: {
       PyObject *ret = PyObject_CallObject(py_cls_meth, NULL);
@@ -8791,7 +8792,8 @@ static PyObject *pyrna_unregister_class(PyObject *UNUSED(self), PyObject *py_cla
     return NULL;
   }
 
-  /* Call classed unregister method. */
+  /* Call classed unregister method.
+   * Note that zero falls through, no attribute, no error. */
   switch (_PyObject_LookupAttr(py_class, bpy_intern_str_unregister, &py_cls_meth)) {
     case 1: {
       PyObject *ret = PyObject_CallObject(py_cls_meth, NULL);