Update controller syntax for bundle-less applications

Author: mimol91

templating/embedding_controllers.rst

@@ -67,8 +67,9 @@ The ``recent_list`` template is perfectly straightforward:
     (e.g. ``/article/*slug*``). This is a bad practice. In the next section,
     you'll learn how to do this correctly.
 
-To include the controller, you'll need to refer to it using the standard
-string syntax for controllers (i.e. **bundle**:**controller**:**action**):
+To include the controller, you'll need to refer to it using the standard string syntax for controllers (i.e. **controllerPath**:**action**).
+
+Where controllerPath is a Full Qualified Class Name. (Notice double ``\\`` as a directory separator) and action is method in controller without the action postfix.
 
 .. configuration-block::
 
@@ -79,7 +80,7 @@ string syntax for controllers (i.e. **bundle**:**controller**:**action**):
         {# ... #}
         <div id="sidebar">
             {{ render(controller(
-                'AppBundle:Article:recentArticles',
+                'App\\Controller\\ArticleController:recentArticles',
                 { 'max': 3 }
             )) }}
         </div>
@@ -92,7 +93,7 @@ string syntax for controllers (i.e. **bundle**:**controller**:**action**):
         <div id="sidebar">
             <?php echo $view['actions']->render(
                 new \Symfony\Component\HttpKernel\Controller\ControllerReference(
-                    'AppBundle:Article:recentArticles',
+                    'App\\Controller\\ArticleController:recentArticles',
                     array('max' => 3)
                 )
             ) ?>