diff --git a/po/zh_CN.po b/po/zh_CN.po
index 169df3561..7c0a32a87 100644
--- a/po/zh_CN.po
+++ b/po/zh_CN.po
@@ -4,7 +4,7 @@ msgstr ""
 "Project-Id-Version: phpMyAdmin 3.4.0-dev\n"
 "Report-Msgid-Bugs-To: phpmyadmin-devel@lists.sourceforge.net\n"
 "POT-Creation-Date: 2010-08-30 17:37+0200\n"
-"PO-Revision-Date: 2010-09-04 07:49+0200\n"
+"PO-Revision-Date: 2010-09-04 07:54+0200\n"
 "Last-Translator: shanyan baishui <Siramizu@gmail.com>\n"
 "Language-Team: chinese_simplified <zh_CN@li.org>\n"
 "Language: zh_CN\n"
@@ -1793,7 +1793,7 @@ msgstr "绘制图表需要 GD 扩展。"
 
 #: libraries/chart.lib.php:252
 msgid "JSON encoder is needed for chart tooltips."
-msgstr ""
+msgstr "绘制图表气泡提示需要 JSON 扩展。"
 
 #: libraries/common.inc.php:571
 msgid ""