diff --git a/src/Symfony/Component/EventDispatcher/EventSubscriberInterface.php b/src/Symfony/Component/EventDispatcher/EventSubscriberInterface.php
index 741590b1bf..a0fc96dfe2 100644
--- a/src/Symfony/Component/EventDispatcher/EventSubscriberInterface.php
+++ b/src/Symfony/Component/EventDispatcher/EventSubscriberInterface.php
@@ -43,7 +43,7 @@ interface EventSubscriberInterface
      * The code must not depend on runtime state as it will only be called at compile time.
      * All logic depending on runtime state must be put into the individual methods handling the events.
      *
-     * @return array The event names to listen to
+     * @return array<string, mixed> The event names to listen to
      */
     public static function getSubscribedEvents();
 }
diff --git a/src/Symfony/Component/Workflow/Transition.php b/src/Symfony/Component/Workflow/Transition.php
index f5a19b1049..b1dbcbe061 100644
--- a/src/Symfony/Component/Workflow/Transition.php
+++ b/src/Symfony/Component/Workflow/Transition.php
@@ -32,16 +32,25 @@ class Transition
         $this->tos = (array) $tos;
     }
 
+    /**
+     * @return string
+     */
     public function getName()
     {
         return $this->name;
     }
 
+    /**
+     * @return string[]
+     */
     public function getFroms()
     {
         return $this->froms;
     }
 
+    /**
+     * @return string[]
+     */
     public function getTos()
     {
         return $this->tos;