Added file paths

Author: javiereguiluz

reference/configuration/twig.rst

@@ -222,13 +222,15 @@ The values of the ``paths`` option are defined as ``key: value`` pairs where the
 
     .. code-block:: yaml
 
+        # app/config/config.yml
         twig:
             # ...
             paths:
                 '%kernel.root_dir%/../vendor/acme/foo-bar/templates': ~
 
     .. code-block:: xml
 
+        <!-- app/config/config.xml -->
         <container xmlns="http://symfony.com/schema/dic/services"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xmlns:twig="http://symfony.com/schema/dic/twig"
@@ -243,6 +245,7 @@ The values of the ``paths`` option are defined as ``key: value`` pairs where the
 
     .. code-block:: php
 
+        // app/config/config.php
         $container->loadFromExtension('twig', array(
             // ...
             'paths' => array(
@@ -262,13 +265,15 @@ for that directory:
 
     .. code-block:: yaml
 
+        # app/config/config.yml
         twig:
             # ...
             paths:
                 '%kernel.root_dir%/../vendor/acme/foo-bar/templates': 'foo_bar'
 
     .. code-block:: xml
 
+        <!-- app/config/config.xml -->
         <container xmlns="http://symfony.com/schema/dic/services"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xmlns:twig="http://symfony.com/schema/dic/twig"
@@ -283,6 +288,7 @@ for that directory:
 
     .. code-block:: php
 
+        # app/config/config.php
         $container->loadFromExtension('twig', array(
             // ...
             'paths' => array(