(Fkeymap_parent): Doc fix (Bug#2391).

diff --git a/src/keymap.c b/src/keymap.c
index 7a95e75c84ee5acaa184bc488b555f80ab90fa78..02e93675548df19bdbcdbce347ac91397f47813e 100644 (file)
--- a/src/keymap.c
+++ b/src/keymap.c
@@ -327,7 +327,8 @@ keymap_parent (keymap, autoload)
 }
 
 DEFUN ("keymap-parent", Fkeymap_parent, Skeymap_parent, 1, 1, 0,
-       doc: /* Return the parent keymap of KEYMAP.  */)
+       doc: /* Return the parent keymap of KEYMAP.
+If KEYMAP has no parent, return nil.  */)
      (keymap)
      Lisp_Object keymap;
 {