diff --git a/po/ja.po b/po/ja.po
index 345d0d2fa..f3ef93c9a 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -4,7 +4,7 @@ msgstr ""
 "Project-Id-Version: phpMyAdmin 3.4.0-rc1-dev\n"
 "Report-Msgid-Bugs-To: phpmyadmin-devel@lists.sourceforge.net\n"
 "POT-Creation-Date: 2011-04-15 08:56+0200\n"
-"PO-Revision-Date: 2011-04-20 04:46+0200\n"
+"PO-Revision-Date: 2011-04-21 06:59+0200\n"
 "Last-Translator: Yuichiro <yuichiro@pop07.odn.ne.jp>\n"
 "Language-Team: japanese <jp@li.org>\n"
 "Language: ja\n"
@@ -3410,7 +3410,7 @@ msgstr "テーブルの最大数"
 msgid ""
 "Disable the default warning that is displayed if mcrypt is missing for "
 "cookie authentication"
-msgstr ""
+msgstr "クッキー認証で mcrypt 拡張がなかった場合、警告を表示します。チェックを入れるとこのメッセージを表示しないようにします。"
 
 #: libraries/config/messages.inc.php:311
 msgid "mcrypt warning"