diff --git a/app/Models/Doubler.php b/app/Models/Doubler.php
index ad7c4f9..3a4504c 100644
--- a/app/Models/Doubler.php
+++ b/app/Models/Doubler.php
@@ -46,6 +46,7 @@ class Doubler extends Model
      */
     public static function syncForEvent($eventId): void
     {
+        // TODO: Move static functions to an action to facilitate testing
 
         if ($eventId instanceof Event) {
             $eventId = $eventId->id;