diff --git a/docs/manual/po/zh_CN.po b/docs/manual/po/zh_CN.po
index 1bee3b44b6126ea7545fa8742a4a574ab166d9ad..d562b095e06ab1513c60b31d3e6c1e52de8bc915 100644
--- a/docs/manual/po/zh_CN.po
+++ b/docs/manual/po/zh_CN.po
@@ -10,7 +10,7 @@ msgstr ""
 "PO-Revision-Date: 2009-12-23 15:53+0800\n"
 "Last-Translator: Chipong Luo <chipong_l@yahoo.com>\n"
 "Language-Team: Chinese (Simplified) <xfce-i18n@xfce.org>\n"
-"Language: \n"
+"Language: zh_CN\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"