diff --git a/core/modules/system/lib/Drupal/system/Controller/ThemeController.php b/core/modules/system/lib/Drupal/system/Controller/ThemeController.php
index 26a1ca3..6b42cca 100644
--- a/core/modules/system/lib/Drupal/system/Controller/ThemeController.php
+++ b/core/modules/system/lib/Drupal/system/Controller/ThemeController.php
@@ -2,13 +2,13 @@
 
 /**
  * @file
- * Contains of \Drupal\system\Controller\ThemeController.
+ * Contains \Drupal\system\Controller\ThemeController.
  */
 
 namespace Drupal\system\Controller;
 
 use Drupal\Core\Config\ConfigFactory;
-use Drupal\Core\ControllerInterface;
+use Drupal\Core\Controller\ControllerInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpFoundation\RedirectResponse;
 use Symfony\Component\HttpFoundation\Request;
@@ -49,16 +49,16 @@ public static function create(ContainerInterface $container) {
    * Disables a theme.
    *
    * @param \Symfony\Component\HttpFoundation\Request $request
-   *  A request object containing a theme name and a valid token. 
+   *   A request object containing a theme name and a valid token.
    *
    * @return \Symfony\Component\HttpFoundation\RedirectResponse
-   *  Redirects back to the appearance admin page.
-   * 
+   *   Redirects back to the appearance admin page.
+   *
    * @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
-   *  Throws access denied when no theme or token is set in the request or when
-   *  the token is invalid.
+   *   Throws access denied when no theme or token is set in the request or when
+   *   the token is invalid.
    */
-  function disable(Request $request) {
+  public function disable(Request $request) {
     $theme = $request->get('theme');
     $token = $request->get('token');
 
@@ -91,14 +91,14 @@ function disable(Request $request) {
    * Enables a theme.
    *
    * @param \Symfony\Component\HttpFoundation\Request $request
-   *  A request object containing a theme name and a valid token. 
+   *   A request object containing a theme name and a valid token.
    *
    * @return \Symfony\Component\HttpFoundation\RedirectResponse
-   *  Redirects back to the appearance admin page.
+   *   Redirects back to the appearance admin page.
    *
    * @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
-   *  Throws access denied when no theme or token is set in the request or when
-   *  the token is invalid.
+   *   Throws access denied when no theme or token is set in the request or when
+   *   the token is invalid.
    */
   public function enable(Request $request) {
     $theme = $request->get('theme');
@@ -122,4 +122,5 @@ public function enable(Request $request) {
 
     throw new AccessDeniedHttpException();
   }
+
 }