diff --git a/po/ja.po b/po/ja.po
index 0a393d37a..9013c9c38 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -4,7 +4,7 @@ msgstr ""
 "Project-Id-Version: phpMyAdmin 3.4.0-rc2-dev\n"
 "Report-Msgid-Bugs-To: phpmyadmin-devel@lists.sourceforge.net\n"
 "POT-Creation-Date: 2011-04-21 14:27+0200\n"
-"PO-Revision-Date: 2011-04-28 11:46+0200\n"
+"PO-Revision-Date: 2011-04-28 11:47+0200\n"
 "Last-Translator: Yuichiro <yuichiro@pop07.odn.ne.jp>\n"
 "Language-Team: japanese <jp@li.org>\n"
 "Language: ja\n"
@@ -4295,7 +4295,7 @@ msgstr "signon 認証方法を使いましたが、サインオンセッショ
 
 #: libraries/config/validate.lib.php:242
 msgid "Empty signon URL while using signon authentication method"
-msgstr ""
+msgstr "signon 認証方法を使いましたが、サインオン URL が空欄です。"
 
 #: libraries/config/validate.lib.php:276
 msgid "Empty phpMyAdmin control user while using pmadb"