diff --git a/airtime_mvc/application/models/Schedule.php b/airtime_mvc/application/models/Schedule.php
index 6e6598a86..2cd573ef6 100644
--- a/airtime_mvc/application/models/Schedule.php
+++ b/airtime_mvc/application/models/Schedule.php
@@ -516,6 +516,9 @@ class Application_Model_Schedule {
             $showEndDateTime = new DateTime($item["show_end"], $utcTimeZone);
             $trackEndDateTime = new DateTime($item["ends"], $utcTimeZone);
             
+            /* Note: cue_out and end are always the same. */
+            /* TODO: Not all tracks will have "show_end" */
+            
             if ($trackEndDateTime->getTimestamp() > $showEndDateTime->getTimestamp()){
                 $diff = $trackEndDateTime->getTimestamp() - $showEndDateTime->getTimestamp();
                 //assuming ends takes cue_out into assumption