diff --git a/README_os390.txt b/README_os390.txt
index 213ee36..3761c0f 100644
--- a/README_os390.txt
+++ b/README_os390.txt
@@ -1,4 +1,4 @@
-README_os_390.txt for version 7.0aa of Vim: Vi IMproved.
+README_os_390.txt for version 7.0b of Vim: Vi IMproved.
 
 Welcome to the OS/390 Unix port of VIM.