diff --git a/runtime/doc/os_390.txt b/runtime/doc/os_390.txt
index 998a553..cda7b3b 100644
--- a/runtime/doc/os_390.txt
+++ b/runtime/doc/os_390.txt
@@ -1,4 +1,4 @@
-*os_390.txt*    For Vim version 7.0aa.  Last change: 2005 Mar 29
+*os_390.txt*    For Vim version 7.0b.  Last change: 2005 Mar 29
 
 
 		  VIM REFERENCE MANUAL	  by Ralf Schandl