diff --git a/src/contracts/Repository/Event/AfterEvent.php b/src/contracts/Repository/Event/AfterEvent.php
index f71f471916..627bd7dfe1 100644
--- a/src/contracts/Repository/Event/AfterEvent.php
+++ b/src/contracts/Repository/Event/AfterEvent.php
@@ -12,6 +12,8 @@
 
 /**
  * Event emitted after action execution.
+ *
+ * @link https://github.com/symfony/symfony/blob/5.4/src/Symfony/Contracts/EventDispatcher/Event.php Symfony\Contracts\EventDispatcher\Event
  */
 abstract class AfterEvent extends Event
 {
diff --git a/src/contracts/Repository/Event/BeforeEvent.php b/src/contracts/Repository/Event/BeforeEvent.php
index 2ff83aae5a..20e4caeb51 100644
--- a/src/contracts/Repository/Event/BeforeEvent.php
+++ b/src/contracts/Repository/Event/BeforeEvent.php
@@ -12,6 +12,8 @@
 
 /**
  * Event emitted before action execution.
+ *
+ * @link https://github.com/symfony/symfony/blob/5.4/src/Symfony/Contracts/EventDispatcher/Event.php Symfony\Contracts\EventDispatcher\Event
  */
 abstract class BeforeEvent extends Event
 {