diff --git a/common/lang/en.php b/common/lang/en.php
index 7a5942434..573202aab 100644
--- a/common/lang/en.php
+++ b/common/lang/en.php
@@ -179,8 +179,8 @@ $lang->private = 'private';
 $lang->etc = 'Others';
 $lang->unit_sec = 'sec';
 $lang->unit_min = 'min';
-$lang->unit_hour = 'hr';
-$lang->unit_day = 'th';
+$lang->unit_hour = 'hour';
+$lang->unit_day = 'day';
 $lang->unit_month = 'month';
 $lang->unit_year = 'year';
 $lang->unit_count = 'count';