diff --git a/src/Extend/ModelUrl.php b/src/Extend/ModelUrl.php
index 6de14188b..9e990fe92 100644
--- a/src/Extend/ModelUrl.php
+++ b/src/Extend/ModelUrl.php
@@ -1,5 +1,11 @@
 <?php
 
+/*
+ * This file is part of Flarum.
+ *
+ * For detailed copyright and license information, please view the
+ * LICENSE file that was distributed with this source code.
+ */
 
 namespace Flarum\Extend;
 
@@ -30,7 +36,8 @@ class ModelUrl implements ExtenderInterface
      * @param string $driver ::class attribute of driver class, which must implement Flarum\Http\SlugDriverInterface
      * @return self
      */
-    public function addSlugDriver(string $identifier, string $driver) {
+    public function addSlugDriver(string $identifier, string $driver)
+    {
         $this->slugDrivers[$identifier] = $driver;
 
         return $this;
@@ -60,14 +67,16 @@ class ModelUrl implements ExtenderInterface
     public function extend(Container $container, Extension $extension = null)
     {
         if ($this->urlGenerator) {
-            $container->extend('flarum.http.resourceUrlGenerators', function($existingUrlGenerators) use ($container) {
+            $container->extend('flarum.http.resourceUrlGenerators', function ($existingUrlGenerators) use ($container) {
                 $existingUrlGenerators[$this->modelClass] = ContainerUtil::wrapCallback($this->urlGenerator, $container);
+
                 return $existingUrlGenerators;
             });
         }
         if ($this->slugDrivers) {
             $container->extend('flarum.http.slugDrivers', function ($existingDrivers) {
                 $existingDrivers[$this->modelClass] = array_merge(Arr::get($existingDrivers, $this->modelClass, []), $this->slugDrivers);
+
                 return $existingDrivers;
             });
         }
diff --git a/src/Http/HttpServiceProvider.php b/src/Http/HttpServiceProvider.php
index 6d1d6eaf8..f871bde75 100644
--- a/src/Http/HttpServiceProvider.php
+++ b/src/Http/HttpServiceProvider.php
@@ -51,7 +51,7 @@ class HttpServiceProvider extends AbstractServiceProvider
 
             foreach ($this->app->make('flarum.http.slugDrivers') as $resourceClass => $resourceDrivers) {
                 $driverClass = $resourceDrivers[$settings->get("slug_driver_$resourceClass", 'default')];
-                echo "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
+                echo 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA';
                 echo "slug_driver_$resourceClass";
                 //echo $settings->get("slug_driver_$resourceClass", 'default');
                 $compiledDrivers[$resourceClass] = $this->app->make($driverClass);
diff --git a/tests/integration/extenders/ModelUrlTest.php b/tests/integration/extenders/ModelUrlTest.php
index 94df2018c..ce51751c2 100644
--- a/tests/integration/extenders/ModelUrlTest.php
+++ b/tests/integration/extenders/ModelUrlTest.php
@@ -1,5 +1,11 @@
 <?php
 
+/*
+ * This file is part of Flarum.
+ *
+ * For detailed copyright and license information, please view the
+ * LICENSE file that was distributed with this source code.
+ */
 
 namespace Flarum\Tests\integration\extenders;
 
@@ -26,7 +32,8 @@ class ModelUrlTest extends TestCase
         ]);
     }
 
-    protected function activateCustomDriver() {
+    protected function activateCustomDriver()
+    {
         $userClass = User::class;
         $this->prepareDatabase([
             'settings' => [
@@ -49,7 +56,8 @@ class ModelUrlTest extends TestCase
     /**
      * @test
      */
-    public function default_url_generator_used_by_default() {
+    public function default_url_generator_used_by_default()
+    {
         $this->prepDb();
 
         $urlGenerator = $this->app()->getContainer()->make(UrlGenerator::class);
@@ -62,10 +70,11 @@ class ModelUrlTest extends TestCase
     /**
      * @test
      */
-    public function custom_url_generator_can_be_used() {
+    public function custom_url_generator_can_be_used()
+    {
         $this->extend(
-            (new Extend\ModelUrl(User::class))->setUrlGenerator(function(UrlGenerator $urlGenerator, User $instance) {
-                return "hello there!";
+            (new Extend\ModelUrl(User::class))->setUrlGenerator(function (UrlGenerator $urlGenerator, User $instance) {
+                return 'hello there!';
             })
         );
 
@@ -75,10 +84,11 @@ class ModelUrlTest extends TestCase
 
         $testUser = User::find(1);
 
-        $this->assertEquals("hello there!", $urlGenerator->toResource(User::class, $testUser));
+        $this->assertEquals('hello there!', $urlGenerator->toResource(User::class, $testUser));
     }
 
-    public function uses_default_driver_by_default() {
+    public function uses_default_driver_by_default()
+    {
         $this->prepDb();
 
         $slugManager = $this->app()->getContainer()->make(SlugManager::class);
@@ -92,7 +102,8 @@ class ModelUrlTest extends TestCase
     /**
      * @test
      */
-    public function custom_slug_driver_doesnt_have_effect_unless_enabled() {
+    public function custom_slug_driver_doesnt_have_effect_unless_enabled()
+    {
         $this->extend((new Extend\ModelUrl(User::class))->addSlugDriver('testDriver', TestSlugDriver::class));
 
         $this->prepDb();
@@ -108,7 +119,8 @@ class ModelUrlTest extends TestCase
     /**
      * @test
      */
-    public function custom_slug_driver_has_effect_if_enabled() {
+    public function custom_slug_driver_has_effect_if_enabled()
+    {
         $this->extend((new Extend\ModelUrl(User::class))->addSlugDriver('testDriver', TestSlugDriver::class));
 
         $this->prepDb();
@@ -123,8 +135,8 @@ class ModelUrlTest extends TestCase
     }
 }
 
-class TestSlugDriver implements SlugDriverInterface {
-
+class TestSlugDriver implements SlugDriverInterface
+{
     public function toSlug(AbstractModel $instance): string
     {
         return 'test-slug';