* keymap.c (Fdefine_prefix_command): Doc fix.

diff --git a/src/keymap.c b/src/keymap.c
index b2eb948be928e4f9c603366fa50569592f14dcf7..ea7e4aceca30ccf4883e157b07d26f7ddb543e4d 100644 (file)
--- a/src/keymap.c
+++ b/src/keymap.c
@@ -913,7 +913,7 @@ KEY is a string representing a sequence of keystrokes.")
 }
 
 DEFUN ("define-prefix-command", Fdefine_prefix_command, Sdefine_prefix_command, 1, 2, 0,
-  "Define COMMAND as a prefix command.\n\
+  "Define COMMAND as a prefix command.  COMMAND should be a symbol.\n\
 A new sparse keymap is stored as COMMAND's function definition and its value.\n\
 If a second optional argument MAPVAR is given, the map is stored as\n\
 its value instead of as COMMAND's value; but COMMAND is still defined\n\