diff --git a/src/keymap.c b/src/keymap.c
index 0c44a112e01..1dfb8273a9c 100644
--- a/src/keymap.c
+++ b/src/keymap.c
@@ -743,7 +743,7 @@ map_keymap_call (key, val, fun, dummy)
 }
 
 DEFUN ("map-keymap", Fmap_keymap, Smap_keymap, 2, 3, 0,
-       doc: /* Call FUNCTION once for each binding in KEYMAP.
+       doc: /* Call FUNCTION once for each event binding in KEYMAP.
 FUNCTION is called with two arguments: the event that is bound, and
 the definition it is bound to.