diff --git a/src/cm.c b/src/cm.c
index da09ac22a88..7011a37125e 100644
--- a/src/cm.c
+++ b/src/cm.c
@@ -6,7 +6,7 @@ This file is part of GNU Emacs.
 
 GNU Emacs is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 1, or (at your option)
+the Free Software Foundation; either version 2, or (at your option)
 any later version.
 
 GNU Emacs is distributed in the hope that it will be useful,