diff --git a/src/aboutwindow.cpp b/src/aboutwindow.cpp
index 175337a..73ac4ea 100644
--- a/src/aboutwindow.cpp
+++ b/src/aboutwindow.cpp
@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2023 Joshua Goins <josh@redstrate.com>
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 #include "aboutwindow.h"
 
 #include <QCoreApplication>
diff --git a/src/aboutwindow.h b/src/aboutwindow.h
index 351e65a..bf64cea 100644
--- a/src/aboutwindow.h
+++ b/src/aboutwindow.h
@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2023 Joshua Goins <josh@redstrate.com>
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 #pragma once
 
 #include <QDialog>