diff --git a/runtime/doc/mbyte.txt b/runtime/doc/mbyte.txt
index c6ba201..7e60320 100644
--- a/runtime/doc/mbyte.txt
+++ b/runtime/doc/mbyte.txt
@@ -1,4 +1,4 @@
-*mbyte.txt*     For Vim version 7.4a.  Last change: 2013 May 18
+*mbyte.txt*     For Vim version 7.4b.  Last change: 2013 May 18
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar et al.