15874 [HttpKernel] fix xml config 2

Author: JohJohan

reference/configuration/framework.rst

@@ -3349,11 +3349,11 @@ Defines what ``log_level`` should be used and what ``status_code`` should be ret
 
             <framework:config>
                 <framework:exceptions>
-                    <framework:Symfony\Component\HttpKernel\Exception\BadRequestHttpException>
+                    <exception id="Symfony\Component\HttpKernel\Exception\BadRequestHttpException">
                         <framework:log_level>debug</framework:recipient>
                         <framework:status_code>422</framework:recipient>
-                    </framework:Symfony\Component\HttpKernel\Exception\BadRequestHttpException>
-                </framework:exceptions>
+                    </exception>
+                </framework:>
                 <!-- ... -->
             </framework:config>
         </container>