Update security/access_token.rst

Co-authored-by: Vincent <vincentchalamon@protonmail.com>

Author: Spomky

security/access_token.rst

@@ -100,7 +100,7 @@ This handler must implement
             }
 
             // and return a UserBadge object containing the user identifier from the found token
-            return $accessToken->getUserId();
+            return new UserBadge($accessToken->getUserId());
         }
     }