diff --git a/runtime/doc/os_mac.txt b/runtime/doc/os_mac.txt
index 1f0b4d1..9d06ba8 100644
--- a/runtime/doc/os_mac.txt
+++ b/runtime/doc/os_mac.txt
@@ -1,4 +1,4 @@
-*os_mac.txt*    For Vim version 7.0aa.  Last change: 2006 Mar 09
+*os_mac.txt*    For Vim version 7.0b.  Last change: 2006 Mar 09
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar et al.