diff --git a/dbus/gattlib.c b/dbus/gattlib.c
index 3f77a1d..3fbd2ae 100644
--- a/dbus/gattlib.c
+++ b/dbus/gattlib.c
@@ -1,24 +1,7 @@
 /*
+ * SPDX-License-Identifier: BSD-3-Clause
  *
- *  GattLib - GATT Library
- *
- *  Copyright (C) 2016-2020 Olivier Martin <olivier@labapart.org>
- *
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  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 General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
+ * Copyright (c) 2016-2021, Olivier Martin <olivier@labapart.org>
  */
 
 #include <glib.h>