1 files changed, 2 insertions, 1 deletions

diff --git a/src/character.c b/src/character.c
index 7fc5d647ff5..8e9b3e3775e 100644
--- a/src/character.c
+++ b/src/character.c
@@ -258,7 +258,8 @@ multibyte_char_to_unibyte_safe (int c)
 }
 
 DEFUN ("characterp", Fcharacterp, Scharacterp, 1, 2, 0,
-       doc: /* Return non-nil if OBJECT is a character.  */)
+       doc: /* Return non-nil if OBJECT is a character.
+usage: (characterp OBJECT)  */)
   (Lisp_Object object, Lisp_Object ignore)
 {
   return (CHARACTERP (object) ? Qt : Qnil);