updated for version 7.1
diff --git a/runtime/doc/vi_diff.txt b/runtime/doc/vi_diff.txt
index cd8ea4e..854c8ba 100644
--- a/runtime/doc/vi_diff.txt
+++ b/runtime/doc/vi_diff.txt
@@ -1,4 +1,4 @@
-*vi_diff.txt*   For Vim version 7.1b.  Last change: 2007 May 07
+*vi_diff.txt*   For Vim version 7.1.  Last change: 2007 May 07
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar