diff --git a/po/ja.po b/po/ja.po
index 3c79d4b858..e4a5668304 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: 2011-04-19 08:16+0200\n"
+"PO-Revision-Date: 2011-04-19 08:17+0200\n"
 "Last-Translator: Yuichiro <yuichiro@pop07.odn.ne.jp>\n"
 "Language-Team: japanese <jp@li.org>\n"
 "Language: ja\n"
@@ -9787,7 +9787,7 @@ msgstr "重複している値を表示しない"
 
 #: tbl_structure.php:166 tbl_structure.php:167
 msgid "Add primary key"
-msgstr ""
+msgstr "主キーを追加する"
 
 #: tbl_structure.php:168 tbl_structure.php:169
 #| msgid "Add new field"