diff --git a/runtime/doc/debug.txt b/runtime/doc/debug.txt
index 6af7a12..3040618 100644
--- a/runtime/doc/debug.txt
+++ b/runtime/doc/debug.txt
@@ -1,4 +1,4 @@
-*debug.txt*     For Vim version 7.1a.  Last change: 2006 May 01
+*debug.txt*     For Vim version 7.1b.  Last change: 2006 May 01
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar