diff --git a/kwin/portal/config.ui b/kwin/portal/config.ui
index b25ce67..a6f4ab0 100755
--- a/kwin/portal/config.ui
+++ b/kwin/portal/config.ui
@@ -1,4 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+SPDX-FileCopyrightText: Simon Schneegans <code@simonschneegans.de>
+SPDX-License-Identifier: GPL-3.0-or-later
+-->
+
 <ui version="4.0">
  <class>BMWConfigForm</class>
  <widget class="QWidget" name="BMWConfigForm">