diff --git a/components/windowplugin/qml/WindowMaximizedTracker.qml b/components/windowplugin/qml/WindowMaximizedTracker.qml
index 72c39045..3b3ebee0 100644
--- a/components/windowplugin/qml/WindowMaximizedTracker.qml
+++ b/components/windowplugin/qml/WindowMaximizedTracker.qml
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: 2023 Devin Lin <devin@kde.org>
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 import QtQuick
 
 import org.kde.plasma.core as PlasmaCore