diff --git a/event_dispatcher.rst b/event_dispatcher.rst
index d20c1bb0073..a75e072f6d7 100644
--- a/event_dispatcher.rst
+++ b/event_dispatcher.rst
@@ -91,7 +91,7 @@ using a special "tag":
                 http://symfony.com/schema/dic/services/services-1.0.xsd">
 
             <services>
-                <service id="AppBundle\EventListener\ExceptionListener">
+                <service id="App\EventListener\ExceptionListener">
                     <tag name="kernel.event_listener" event="kernel.exception" />
                 </service>
             </services>
diff --git a/http_cache/esi.rst b/http_cache/esi.rst
index 9ac203756f5..888c0d445aa 100644
--- a/http_cache/esi.rst
+++ b/http_cache/esi.rst
@@ -139,7 +139,7 @@ matter), Symfony uses the standard ``render`` helper to configure ESI tags:
         <!-- you can use a controller reference -->
         <?php echo $view['actions']->render(
             new Symfony\Component\HttpKernel\Controller\ControllerReference(
-                'AppBundle:News:latest',
+                'App\Controller\NewsController::latest',
                 array('maxPerPage' => 5)
             ),
             array('strategy' => 'esi')
diff --git a/service_container/factories.rst b/service_container/factories.rst
index 0b0eea5b4b8..cfca74e26df 100644
--- a/service_container/factories.rst
+++ b/service_container/factories.rst
@@ -152,7 +152,7 @@ Configuration of the service container then looks like this:
     .. code-block:: yaml
 
         # config/services.yaml
-        AppBundle\Email\NewsletterManager:
+        App\Email\NewsletterManager:
             # new syntax
             factory: 'App\Email\NewsletterManagerFactory:createNewsletterManager'
             # old syntax
diff --git a/templating/twig_extension.rst b/templating/twig_extension.rst
index 73abcea485a..9a95bed6d8c 100644
--- a/templating/twig_extension.rst
+++ b/templating/twig_extension.rst
@@ -94,10 +94,10 @@ implementation. Following the same example as before, the first change would be
 to remove the ``priceFilter()`` method from the extension and update the PHP
 callable defined in ``getFilters()``::
 
-    // src/AppBundle/Twig/AppExtension.php
-    namespace AppBundle\Twig;
+    // src/Twig/AppExtension.php
+    namespace App\Twig;
 
-    use AppBundle\Twig\AppRuntime;
+    use App\Twig\AppRuntime;
 
     class AppExtension extends \Twig_Extension
     {
@@ -114,8 +114,8 @@ Then, create the new ``AppRuntime`` class (it's not required but these classes
 are suffixed with ``Runtime`` by convention) and include the logic of the
 previous ``priceFilter()`` method::
 
-    // src/AppBundle/Twig/AppRuntime.php
-    namespace AppBundle\Twig;
+    // src/Twig/AppRuntime.php
+    namespace App\Twig;
 
     class AppRuntime
     {
@@ -147,7 +147,7 @@ Finally, register your new class as a service and tag it with ``twig.runtime``
         # app/config/services.yml
         services:
             app.twig_runtime:
-                class: AppBundle\Twig\AppRuntime
+                class: App\Twig\AppRuntime
                 public: false
                 tags:
                     - { name: twig.runtime }
@@ -163,7 +163,7 @@ Finally, register your new class as a service and tag it with ``twig.runtime``
 
             <services>
                 <service id="app.twig_runtime"
-                    class="AppBundle\Twig\AppRuntime"
+                    class="App\Twig\AppRuntime"
                     public="false">
                     <tag name="twig.runtime" />
                 </service>
@@ -173,7 +173,7 @@ Finally, register your new class as a service and tag it with ``twig.runtime``
     .. code-block:: php
 
         // app/config/services.php
-        use AppBundle\Twig\AppExtension;
+        use App\Twig\AppExtension;
 
         $container
             ->register('app.twig_runtime', AppRuntime::class)