Error where config.yml should be security.yml.

Author: mdpatrick

book/security.rst

@@ -268,7 +268,7 @@ First, enable form login under your firewall:
 
     .. code-block:: yaml
 
-        # app/config/config.yml
+        # app/config/security.yml
         security:
             firewalls:
                 secured_area:
@@ -280,7 +280,7 @@ First, enable form login under your firewall:
 
     .. code-block:: xml
 
-        <!-- app/config/config.xml -->
+        <!-- app/config/security.xml -->
         <srv:container xmlns="http://symfony.com/schema/dic/security"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xmlns:srv="http://symfony.com/schema/dic/services"
@@ -296,7 +296,7 @@ First, enable form login under your firewall:
 
     .. code-block:: php
 
-        // app/config/config.php
+        // app/config/security.php
         $container->loadFromExtension('security', array(
             'firewalls' => array(
                 'secured_area' => array(