Updating Calendar lib docs
diff --git a/system/libraries/Calendar.php b/system/libraries/Calendar.php
index 23d8ffb..9c68c94 100644
--- a/system/libraries/Calendar.php
+++ b/system/libraries/Calendar.php
@@ -329,7 +329,7 @@
 	 * Get Day Names
 	 *
 	 * Returns an array of day names (Sunday, Monday, etc.) based
-	 * on the type. Options: long, short, abrev
+	 * on the type. Options: long, short, abr
 	 *
 	 * @param	string
 	 * @return	array