diff --git a/core/modules/user/lib/Drupal/user/Form/UserLoginForm.php b/core/modules/user/lib/Drupal/user/Form/UserLoginForm.php
index 923d983..1477887 100644
--- a/core/modules/user/lib/Drupal/user/Form/UserLoginForm.php
+++ b/core/modules/user/lib/Drupal/user/Form/UserLoginForm.php
@@ -15,7 +15,7 @@
 use Symfony\Component\HttpFoundation\Request;
 
 /**
- * @todo.
+ * Provides a user login form.
  */
 class UserLoginForm implements FormInterface, ControllerInterface {
 
diff --git a/core/modules/user/lib/Drupal/user/Plugin/Block/UserLoginBlock.php b/core/modules/user/lib/Drupal/user/Plugin/Block/UserLoginBlock.php
index b785aef..2aa43f0 100644
--- a/core/modules/user/lib/Drupal/user/Plugin/Block/UserLoginBlock.php
+++ b/core/modules/user/lib/Drupal/user/Plugin/Block/UserLoginBlock.php
@@ -34,7 +34,7 @@ public function access() {
    * {@inheritdoc}
    */
   public function build() {
-    $form = drupal_get_form(new UserLoginForm(\Drupal::service('config.factory'), \Drupal::service('flood')));
+    $form = drupal_get_form(UserLoginForm::create(\Drupal::getContainer()), \Drupal::request());
     unset($form['name']['#attributes']['autofocus']);
     unset($form['name']['#description']);
     unset($form['pass']['#description']);