diff --git a/tests/Model/Suppression/Unsubscribe/UnsubscribeTest.php b/tests/Model/Suppression/Unsubscribe/UnsubscribeTest.php
index e93870a..c4b9064 100644
--- a/tests/Model/Suppression/Unsubscribe/UnsubscribeTest.php
+++ b/tests/Model/Suppression/Unsubscribe/UnsubscribeTest.php
@@ -1,5 +1,12 @@
 <?php
 
+/*
+ * Copyright (C) 2013 Mailgun
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license. See the LICENSE file for details.
+ */
+
 namespace Mailgun\Tests\Model\Suppression\Unsubscribe;
 
 use Mailgun\Model\Suppression\Unsubscribe\Unsubscribe;