diff --git a/language/zh_HK/common.lang.php b/language/zh_HK/common.lang.php
index 9f5ae9cf5..b72c095cb 100644
--- a/language/zh_HK/common.lang.php
+++ b/language/zh_HK/common.lang.php
@@ -426,4 +426,6 @@ $lang['No results for'] = '沒有結果';
 $lang['Photo description'] = '相片描述';
 $lang['Photo title'] = '相片標題';
 $lang['Link: %s'] = '連結: %s';
-$lang['Your authentication key is no longer valid.'] = '您的認證密鑰已失效。';
\ No newline at end of file
+$lang['Your authentication key is no longer valid.'] = '您的認證密鑰已失效。';
+$lang['generate random password'] = '產生隨機密碼';
+$lang['Invalid username or password!'] = '無效的用戶名或密碼！';
\ No newline at end of file