diff --git a/src/Symfony/Bundle/FrameworkBundle/Kernel/MicroKernelTrait.php b/src/Symfony/Bundle/FrameworkBundle/Kernel/MicroKernelTrait.php
index 181ea8276a..6f4f3a7dec 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Kernel/MicroKernelTrait.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Kernel/MicroKernelTrait.php
@@ -37,19 +37,19 @@ trait MicroKernelTrait
      *
      * You can register extensions:
      *
-     *     $c->loadFromExtension('framework', [
+     *     $container->loadFromExtension('framework', [
      *         'secret' => '%secret%'
      *     ]);
      *
      * Or services:
      *
-     *     $c->register('halloween', 'FooBundle\HalloweenProvider');
+     *     $container->register('halloween', 'FooBundle\HalloweenProvider');
      *
      * Or parameters:
      *
-     *     $c->setParameter('halloween', 'lot of fun');
+     *     $container->setParameter('halloween', 'lot of fun');
      */
-    abstract protected function configureContainer(ContainerBuilder $c, LoaderInterface $loader);
+    abstract protected function configureContainer(ContainerBuilder $container, LoaderInterface $loader);
 
     /**
      * {@inheritdoc}