diff --git a/source/blender/python/intern/bpy_rna_types_capi.c b/source/blender/python/intern/bpy_rna_types_capi.c
index 2f6e197d1e2..1e02f14163a 100644
--- a/source/blender/python/intern/bpy_rna_types_capi.c
+++ b/source/blender/python/intern/bpy_rna_types_capi.c
@@ -149,12 +149,19 @@ static struct PyMethodDef pyrna_windowmanager_methods[] = {
     {NULL, NULL, 0, NULL},
 };
 
+PyDoc_STRVAR(pyrna_WindowManager_clipboard_doc,
+             ".. attribute:: clipboard\n"
+             "\n"
+             "   Clipboard text storage.\n"
+             "\n"
+             "   :type: string, default "", (never None)\n");
+
 static struct PyGetSetDef pyrna_windowmanager_getset[] = {
     {"clipboard",
      pyrna_WindowManager_clipboard_get,
      pyrna_WindowManager_clipboard_set,
      NULL,
-     NULL},
+     pyrna_WindowManager_clipboard_doc},
     {NULL, NULL, NULL, NULL, NULL} /* Sentinel */
 };