diff --git a/README.md b/README.md
index 45e700a4..c171d0f7 100644
--- a/README.md
+++ b/README.md
@@ -29,8 +29,8 @@ Core features are provided by `scheb/2fa-bundle`:
 - CSRF protection
 - Whitelisted routes (accessible during two-factor authentication)
 - Fully customizable conditions when to perform two-factor authentication
-- Future proof: Supports the [authenticator-based security system](https://symfony.com/doc/current/security/experimental_authenticators.html),
-  which will replace the current system in Symfony 6
+- Supports the new [authenticator-based security system](https://symfony.com/doc/current/security.html),
+  introduced in Symfony 6, as well as the legacy system.
 
 Additional features:
 
diff --git a/doc/installation.rst b/doc/installation.rst
index f458e33d..60afe804 100644
--- a/doc/installation.rst
+++ b/doc/installation.rst
@@ -84,10 +84,9 @@ authentication.
    # config/routes/scheb_2fa.yaml
    2fa_login:
        path: /2fa
-       defaults:
-           # "scheb_two_factor.form_controller" references the controller service provided by the bundle.
-           # You don't HAVE to use it, but - except you have very special requirements - it is recommended.
-           _controller: "scheb_two_factor.form_controller::form"
+       # "scheb_two_factor.form_controller" references the controller service provided by the bundle.
+       # You don't HAVE to use it, but - except you have very special requirements - it is recommended.
+       controller: "scheb_two_factor.form_controller::form"
 
    2fa_login_check:
        path: /2fa_check