diff --git a/runtime/doc/vi_diff.txt b/runtime/doc/vi_diff.txt
index 18566fc..409c47c 100644
--- a/runtime/doc/vi_diff.txt
+++ b/runtime/doc/vi_diff.txt
@@ -1,4 +1,4 @@
-*vi_diff.txt*   For Vim version 7.3a.  Last change: 2008 Jun 28
+*vi_diff.txt*   For Vim version 7.3b.  Last change: 2008 Jun 28
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar