diff --git a/runtime/doc/undo.txt b/runtime/doc/undo.txt
index fde879d..e1f6585 100644
--- a/runtime/doc/undo.txt
+++ b/runtime/doc/undo.txt
@@ -1,4 +1,4 @@
-*undo.txt*      For Vim version 7.0.  Last change: 2006 Apr 30
+*undo.txt*      For Vim version 7.1a.  Last change: 2006 Apr 30
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar