Update ko_KR.lang.php

src/lang/ko_KR.lang.php

@@ -58,6 +58,18 @@ $sm_lang = array(
 		'a_minute_ago' => 'about a minute ago',
 		'seconds_ago' => '%d seconds ago',
 		'a_second_ago' => 'a second ago',
+		'year' => 'year',
+		'years' => 'years',
+		'month' => 'month',
+		'months' => 'months',
+		'day' => 'day',
+		'days' => 'days',
+		'hour' => 'hour',
+		'hours' => 'hours',
+		'minute' => 'minute',
+		'minutes' => 'minutes',
+		'second' => 'second',
+		'seconds' => 'seconds',		
 	),
 	'menu' => array(
 		'config' => '설정',