diff --git a/Models/Event.php b/Models/Event.php
index 81499ad..9af0996 100755
--- a/Models/Event.php
+++ b/Models/Event.php
@@ -80,7 +80,7 @@ class Event
     /**
      * Created.
      *
-     * @var \DateTime
+     * @var \DateTimeImmutable
      * @since 1.0.0
      */
     private \DateTimeImmutable $createdAt;