Update browser_kit.rst

Author: sfmok

components/browser_kit.rst

@@ -60,7 +60,7 @@ This method accepts a request and should return a response::
 For a simple implementation of a browser based on the HTTP layer, have a look
 at the :class:`Symfony\\Component\\BrowserKit\\HttpBrowser` provided by
 :ref:`this component <component-browserkit-external-requests>`. For an implementation based
-on ``HttpKernelInterface``, have a look at the :class:`Symfony\\Component\\HttpKernel\\Client`
+on ``HttpKernelInterface``, have a look at the :class:`Symfony\\Component\\HttpKernel\\HttpClientKernel`
 provided by the :doc:`HttpKernel component </components/http_kernel>`.
 
 Making Requests