diff --git a/core/modules/user/lib/Drupal/user/AccountFormController.php b/core/modules/user/lib/Drupal/user/AccountFormController.php
index 56a2658..f54ad6a 100644
--- a/core/modules/user/lib/Drupal/user/AccountFormController.php
+++ b/core/modules/user/lib/Drupal/user/AccountFormController.php
@@ -202,7 +202,7 @@ public function form(array $form, array &$form_state) {
 
     // Only show the account setting for Administration pages language to users
     // if one of the detection and selection methods uses it.
-    if (Drupal::moduleHandler()->moduleExists('language')) {
+    if (\Drupal::moduleHandler()->moduleExists('language')) {
       $show_admin_language = FALSE;
       if (language_multilingual()) {
         foreach (language_types_info() as $type_key => $language_type) {
diff --git a/core/modules/user/lib/Drupal/user/Tests/UserAdminLanguageTest.php b/core/modules/user/lib/Drupal/user/Tests/UserAdminLanguageTest.php
index b674028..c9e21ec 100644
--- a/core/modules/user/lib/Drupal/user/Tests/UserAdminLanguageTest.php
+++ b/core/modules/user/lib/Drupal/user/Tests/UserAdminLanguageTest.php
@@ -2,7 +2,7 @@
 
 /**
  * @file
- * Definition of Drupal\user\Tests\UserAdminLanguageTest.
+ * Contains \Drupal\user\Tests\UserAdminLanguageTest.
  */
 
 namespace Drupal\user\Tests;
@@ -10,7 +10,7 @@
 use Drupal\simpletest\WebTestBase;
 
 /**
- * Functional tests for a user's ability to change their admininstration pages language.
+ * Tests users' ability to change administration pages language for theirself.
  */
 class UserAdminLanguageTest extends WebTestBase {
 
@@ -38,8 +38,7 @@ protected function setUp() {
   }
 
   /**
-   * Tests that the admin language configuration is not available if the site
-   * is not multilingual.
+   * Tests that admin language is not configurable in single language sites.
    */
   function testUserAdminLanguageConfigurationNotAvailableWithOnlyOneLanguage() {
     $this->drupalLogin($this->admin_user);
@@ -51,8 +50,8 @@ function testUserAdminLanguageConfigurationNotAvailableWithOnlyOneLanguage() {
   }
 
   /**
-   * Tests that the admin language configuration is not available if the admin
-   * language negotiation is not enabled.
+   * Tests that admin language is configurable only if admin language negotiation
+   * is enabled.
    */
   function testUserAdminLanguageConfigurationNotAvailableWithoutAdminLanguageNegotiation() {
     $this->drupalLogin($this->admin_user);
@@ -63,8 +62,7 @@ function testUserAdminLanguageConfigurationNotAvailableWithoutAdminLanguageNegot
   }
 
   /**
-   * Tests that the admin language configuration is available for admins in
-   * multilingual sites, but not for users without the right permissions.
+   * Tests that the admin language is configurable only for admins.
    */
   function testUserAdminLanguageConfigurationAvailableIfAdminLanguageNegotiationIsEnabled() {
     $this->drupalLogin($this->admin_user);
@@ -84,7 +82,7 @@ function testUserAdminLanguageConfigurationAvailableIfAdminLanguageNegotiationIs
   }
 
   /**
-   * Helper meethod for setting the language user admin negotiation.
+   * Helper method for setting the language user admin negotiation.
    */
   function setLanguageNegotiation() {
     $edit = array(