[Doc] Fixed typo in security

doc/providers/security.rst

@@ -481,7 +481,7 @@ Defining a custom Authentication Provider
 The Symfony Security component provides a lot of ready-to-use authentication
 providers (form, HTTP, X509, remember me, ...), but you can add new ones
 easily. To register a new authentication provider, create a service named
-``security.authentication.factory.XXX`` where ``XXX`` is the name you want to
+``security.authentication_listener.factory.XXX`` where ``XXX`` is the name you want to
 use in your configuration::
 
     $app['security.authentication_listener.factory.wsse'] = $app->protect(function ($name, $options) use ($app) {