diff --git a/docs/manual/mod/core.html.ja.euc-jp b/docs/manual/mod/core.html.ja.euc-jp
index 782037781e..01ba1d9adf 100644
--- a/docs/manual/mod/core.html.ja.euc-jp
+++ b/docs/manual/mod/core.html.ja.euc-jp
@@ -25,6 +25,8 @@
 <a href="../en/mod/core.html" hreflang="en" rel="alternate" title="English">&nbsp;en&nbsp;</a> |
 <a href="../ja/mod/core.html" title="Japanese">&nbsp;ja&nbsp;</a></p>
 </div>
+<div class="outofdate">This translation may be out of date. Check the
+            English version for recent changes.</div>
 <table class="module"><tr><th><a href="module-dict.html#Description">説明:</a></th><td>常に使用可能な Apache HTTP サーバのコア機能</td></tr>
 <tr><th><a href="module-dict.html#Status">ステータス:</a></th><td>Core</td></tr></table>
 </div>
diff --git a/docs/manual/mod/core.xml.de b/docs/manual/mod/core.xml.de
index 12417b1fdc..024c8e7084 100644
--- a/docs/manual/mod/core.xml.de
+++ b/docs/manual/mod/core.xml.de
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE modulesynopsis SYSTEM "../style/modulesynopsis.dtd">
 <?xml-stylesheet type="text/xsl" href="../style/manual.de.xsl"?>
-<!-- English Revision: 1.88 (outdated: 1.89) -->
+<!-- English Revision: 1.88 (outdated: 1.90) -->
 
 <!--
  Copyright 2003-2004 The Apache Software Foundation
diff --git a/docs/manual/mod/core.xml.ja b/docs/manual/mod/core.xml.ja
index 9a888a620e..094df551bb 100644
--- a/docs/manual/mod/core.xml.ja
+++ b/docs/manual/mod/core.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: 1.89 -->
+<!-- English Revision: 1.89 (outdated: 1.90) -->
 
 <!--
  Copyright 2003-2004 The Apache Software Foundation
diff --git a/docs/manual/mod/core.xml.meta b/docs/manual/mod/core.xml.meta
index 79ae78c3c4..b6a4b3c035 100644
--- a/docs/manual/mod/core.xml.meta
+++ b/docs/manual/mod/core.xml.meta
@@ -8,6 +8,6 @@
   <variants>
     <variant outdated="yes">de</variant>
     <variant>en</variant>
-    <variant>ja</variant>
+    <variant outdated="yes">ja</variant>
   </variants>
 </metafile>