diff --git a/web/includes/functions.php b/web/includes/functions.php
index afa09f2f3..d6b8cb3ce 100644
--- a/web/includes/functions.php
+++ b/web/includes/functions.php
@@ -532,6 +532,7 @@ function deleteEvent( $event, $mid=false ) {
             dbQuery( 'DELETE FROM Frames WHERE EventId = ?', array($event['Id']) );
             if ( ZM_USE_DEEP_STORAGE ) {
 
+				# Assumption: All events haev a start time
 				$start_date = date_parse( $event['StartTime'] );
 
 				# So this is  because ZM creates a link under teh day pointing to the time that the event happened.