symfony
diff --git a/‎controller.rst
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diff --git a/‎create_framework/separation_of_concerns.rst
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diff --git a/‎security/form_login_setup.rst
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@@ -457,14 +457,23 @@ read any flash messages from the session using ``app.flashes()``:
 
     {# templates/base.html.twig #}
 
-    {# you can read and display just one flash message type... #}
+    {# read and display just one flash message type #}
     {% for message in app.flashes('notice') %}
         <div class="flash-notice">
             {{ message }}
         </div>
     {% endfor %}
 
-    {# ...or you can read and display every flash message available #}
+    {# read and display several types of flash messages #}
+    {% for label, messages in app.flashes(['success', 'warning']) %}
+        {% for message in messages %}
+            <div class="flash-{{ label }}">
+                {{ message }}
+            </div>
+        {% endfor %}
+    {% endfor %}
+
+    {# read and display all flash messages #}
     {% for label, messages in app.flashes %}
         {% for message in messages %}
             <div class="flash-{{ label }}">
 
@@ -138,7 +138,7 @@ Don't forget to update the ``example.com/src/app.php`` file accordingly::
 
     $routes->add('leap_year', new Routing\Route('/is_leap_year/{year}', [
         'year' => null,
-        '_controller' => 'Calendar\Controller\LeapYearController::indexAction',
+        '_controller' => 'Calendar\Controller\LeapYearController::index',
     ]));
 
 To sum up, here is the new file layout:
 
@@ -122,6 +122,7 @@ a traditional HTML form that submits to ``/login``:
 
     use App\Entity\User;
     use Doctrine\ORM\EntityManagerInterface;
+    use Symfony\Component\Security\Core\Exception\CustomUserMessageAuthenticationException;
     use Symfony\Component\HttpFoundation\RedirectResponse;
     use Symfony\Component\HttpFoundation\Request;
     use Symfony\Component\Routing\RouterInterface;