[HttpKernel] fixed some phpdoc

src/Symfony/Components/HttpKernel/Profiler/WebDebugToolbarListener.php

@@ -18,7 +18,7 @@ use Symfony\Components\HttpKernel\HttpKernelInterface;
  */
 
 /**
- * WebDebugToolbarListener.
+ * WebDebugToolbarListener injects the Web Debug Toolbar.
  *
  * @author     Fabien Potencier <fabien.potencier@symfony-project.com>
  */

src/Symfony/Components/HttpKernel/ResponseListener.php

@@ -16,7 +16,7 @@ use Symfony\Components\HttpFoundation\Response;
  */
 
 /**
- * ResponseListener.
+ * ResponseListener fixes the Response Content-Type.
  *
  * @author     Fabien Potencier <fabien.potencier@symfony-project.com>
  */