diff --git a/lib/private/SetupCheck/SetupCheckManager.php b/lib/private/SetupCheck/SetupCheckManager.php
index 08c73fda893..d1a9b4c4c31 100644
--- a/lib/private/SetupCheck/SetupCheckManager.php
+++ b/lib/private/SetupCheck/SetupCheckManager.php
@@ -1,5 +1,29 @@
 <?php
 
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2022 Carl Schwan <carl@carlschwan.eu>
+ *
+ * @author Carl Schwan <carl@carlschwan.eu>
+ * @author Côme Chilliet <come.chilliet@nextcloud.com>
+ *
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program. If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
 namespace OC\SetupCheck;
 
 use OC\AppFramework\Bootstrap\Coordinator;
diff --git a/lib/public/SetupCheck/ISetupCheck.php b/lib/public/SetupCheck/ISetupCheck.php
index e11b07e8e90..77eeaea4df1 100644
--- a/lib/public/SetupCheck/ISetupCheck.php
+++ b/lib/public/SetupCheck/ISetupCheck.php
@@ -2,6 +2,28 @@
 
 declare(strict_types=1);
 
+/**
+ * @copyright Copyright (c) 2022 Carl Schwan <carl@carlschwan.eu>
+ *
+ * @author Carl Schwan <carl@carlschwan.eu>
+ * @author Côme Chilliet <come.chilliet@nextcloud.com>
+ *
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program. If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
 namespace OCP\SetupCheck;
 
 /**
diff --git a/lib/public/SetupCheck/SetupResult.php b/lib/public/SetupCheck/SetupResult.php
index 59d04323cd4..158a9489cfe 100644
--- a/lib/public/SetupCheck/SetupResult.php
+++ b/lib/public/SetupCheck/SetupResult.php
@@ -1,5 +1,29 @@
 <?php
 
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2022 Carl Schwan <carl@carlschwan.eu>
+ *
+ * @author Carl Schwan <carl@carlschwan.eu>
+ * @author Côme Chilliet <come.chilliet@nextcloud.com>
+ *
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program. If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
 namespace OCP\SetupCheck;
 
 /**