diff --git a/module/custom/lang/en.php b/module/custom/lang/en.php
index fe25d1a242..cdc802e9e4 100644
--- a/module/custom/lang/en.php
+++ b/module/custom/lang/en.php
@@ -187,7 +187,7 @@ $lang->custom->notice->forceReview         = '%s review is required for committe
 $lang->custom->notice->forceNotReview      = "%s review is not required for committers selected.";
 $lang->custom->notice->longlife            = 'Define stalled bugs.';
 $lang->custom->notice->invalidNumberKey    = 'The key should be =< 255.';
-$lang->custom->notice->invalidStringKey    = 'The key should be lowercase letters, numbers or underlines.';
+$lang->custom->notice->invalidStringKey    = 'The key should be letters, numbers or underlines.';
 $lang->custom->notice->cannotSetTimezone   = 'date_default_timezone_set does not exist or is disabled. Timezone cannot be set.';
 $lang->custom->notice->noClosedBlock       = 'You have no blocks that are closed permanently.';
 $lang->custom->notice->required            = 'The selected field is required.';
diff --git a/module/custom/lang/zh-cn.php b/module/custom/lang/zh-cn.php
index 5c81c78a39..30659316e8 100644
--- a/module/custom/lang/zh-cn.php
+++ b/module/custom/lang/zh-cn.php
@@ -187,7 +187,7 @@ $lang->custom->notice->forceReview         = "指定人提交的%s必须评审
 $lang->custom->notice->forceNotReview      = "指定人提交的%s不需要评审。";
 $lang->custom->notice->longlife            = 'Bug列表页面的久未处理标签中，列出设置天数之前未处理的Bug。';
 $lang->custom->notice->invalidNumberKey    = '键值应为不大于255的数字';
-$lang->custom->notice->invalidStringKey    = '键值应当为小写英文字母、数字或下划线的组合';
+$lang->custom->notice->invalidStringKey    = '键值应当为大小写英文字母、数字或下划线的组合';
 $lang->custom->notice->cannotSetTimezone   = 'date_default_timezone_set方法不存在或禁用，不能设置时区。';
 $lang->custom->notice->noClosedBlock       = '没有永久关闭的区块';
 $lang->custom->notice->required            = '页面提交时，选中的字段必填';