diff --git a/src/lib/Zikula/Bundle/CoreBundle/EventListener/ClickjackProtectionListener.php b/src/lib/Zikula/Bundle/CoreBundle/EventListener/ClickjackProtectionListener.php
index 5c3623ed7c..d687dc8e5c 100644
--- a/src/lib/Zikula/Bundle/CoreBundle/EventListener/ClickjackProtectionListener.php
+++ b/src/lib/Zikula/Bundle/CoreBundle/EventListener/ClickjackProtectionListener.php
@@ -18,7 +18,7 @@
 /**
  * Sets x-origin headers to prevent clickjacking attacks.
  *
- * TODO consider https://github.com/nelmio/NelmioSecurityBundle for a future major release
+ * Consider https://github.com/nelmio/NelmioSecurityBundle for a future major release refs #3646
  */
 class ClickjackProtectionListener implements EventSubscriberInterface
 {