diff --git a/extensions/mentions/src/TagExtender.php b/extensions/mentions/src/TagExtender.php
index 0974563bb1..d32fe60f58 100644
--- a/extensions/mentions/src/TagExtender.php
+++ b/extensions/mentions/src/TagExtender.php
@@ -1,5 +1,12 @@
 <?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\Mentions;
 
 use Flarum\Api\Controller;
diff --git a/framework/core/src/Extend/Conditional.php b/framework/core/src/Extend/Conditional.php
index b4fe62fce9..79d9f116fd 100644
--- a/framework/core/src/Extend/Conditional.php
+++ b/framework/core/src/Extend/Conditional.php
@@ -57,7 +57,7 @@ public function whenExtensionEnabled(string $extensionId, callable|string $exten
     public function whenExtensionDisabled(string $extensionId, callable|string $extenders): self
     {
         return $this->when(function (ExtensionManager $extensions) use ($extensionId) {
-            return !$extensions->isEnabled($extensionId);
+            return ! $extensions->isEnabled($extensionId);
         }, $extenders);
     }
 
diff --git a/framework/core/tests/integration/extenders/ConditionalTest.php b/framework/core/tests/integration/extenders/ConditionalTest.php
index 19a523d935..3dc8c021b8 100644
--- a/framework/core/tests/integration/extenders/ConditionalTest.php
+++ b/framework/core/tests/integration/extenders/ConditionalTest.php
@@ -246,7 +246,7 @@ public function conditional_enabled_extension_enabled_applies_invokable_class()
 
         $this->assertArrayHasKey('customConditionalAttribute', $payload['data']['attributes']);
     }
-    
+
     /** @test */
     public function conditional_does_not_instantiate_extender_if_condition_is_false_using_callable()
     {