updated for version 7.1b
diff --git a/runtime/doc/os_mac.txt b/runtime/doc/os_mac.txt
index e56d4c7..4c2151b 100644
--- a/runtime/doc/os_mac.txt
+++ b/runtime/doc/os_mac.txt
@@ -1,4 +1,4 @@
-*os_mac.txt*    For Vim version 7.1a.  Last change: 2006 Apr 30
+*os_mac.txt*    For Vim version 7.1b.  Last change: 2006 Apr 30
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar et al.