diff --git a/docs/manual/mod/mod_deflate.xml.ja b/docs/manual/mod/mod_deflate.xml.ja
index 61500f428e..fcd0f6aee0 100644
--- a/docs/manual/mod/mod_deflate.xml.ja
+++ b/docs/manual/mod/mod_deflate.xml.ja
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="iso-2022-jp"?>
 <!DOCTYPE modulesynopsis SYSTEM "../style/modulesynopsis.dtd">
 <?xml-stylesheet type="text/xsl" href="../style/manual.ja.xsl"?>
-<!-- English Revision: 1.21 -->
+<!-- English Revision: 1.21 (outdated: 1.22) -->
 
 <!--
  Copyright 2002-2004 The Apache Software Foundation