diff --git a/www/common/extensions.js b/www/common/extensions.js
index e8bfa654c..1a0a7d040 100644
--- a/www/common/extensions.js
+++ b/www/common/extensions.js
@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2024 XWiki CryptPad Team <contact@cryptpad.org> and contributors
+//
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
 define([
     'optional!/extensions.js'
 ], (Extensions) => {
diff --git a/www/install/onboarding.less b/www/install/onboarding.less
index d0f2c33ac..4820c6681 100644
--- a/www/install/onboarding.less
+++ b/www/install/onboarding.less
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2024 XWiki CryptPad Team <contact@cryptpad.org> and contributors
+ *
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
 @import (reference) "../../customize/src/less2/include/browser.less";
 @import (reference) "../../customize/src/less2/include/framework.less";
 @import (reference) "../../customize/src/less2/include/tools.less";
diff --git a/www/install/onboardscreen.js b/www/install/onboardscreen.js
index 1f201b24b..ed718be4f 100644
--- a/www/install/onboardscreen.js
+++ b/www/install/onboardscreen.js
@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2024 XWiki CryptPad Team <contact@cryptpad.org> and contributors
+//
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
 define([
     'jquery',
     '/common/inner/sidebar-layout.js',