diff --git a/po/zh_CN.po b/po/zh_CN.po
index cb46a0b6af..d0f9e712be 100644
--- a/po/zh_CN.po
+++ b/po/zh_CN.po
@@ -6826,7 +6826,7 @@ msgstr "请设置一个有效的运行周期。"
 
 #: libraries/rte/rte_events.lib.php:549
 msgid "You must provide a valid execution time for the event."
-msgstr "请设置有效的运行时间。"
+msgstr "请设置一个有效的运行时间。"
 
 #: libraries/rte/rte_events.lib.php:553
 msgid "You must provide a valid type for the event."