diff --git a/hw/isa/isa-superio.c b/hw/isa/isa-superio.c
index c4e3919..180a8b9 100644
--- a/hw/isa/isa-superio.c
+++ b/hw/isa/isa-superio.c
@@ -5,7 +5,7 @@
  * Copyright (c) 2011-2012 Andreas Färber
  * Copyright (c) 2018 Philippe Mathieu-Daudé
  *
- * This code is licensed under the GNU GPLv2 and later.
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
  * See the COPYING file in the top-level directory.
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
diff --git a/hw/isa/smc37c669-superio.c b/hw/isa/smc37c669-superio.c
index 901a9f8..1828774 100644
--- a/hw/isa/smc37c669-superio.c
+++ b/hw/isa/smc37c669-superio.c
@@ -3,7 +3,7 @@
  *
  * Copyright (c) 2018 Philippe Mathieu-Daudé
  *
- * This code is licensed under the GNU GPLv2 and later.
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
  * See the COPYING file in the top-level directory.
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
diff --git a/include/hw/isa/superio.h b/include/hw/isa/superio.h
index b151dcd..147cc0a 100644
--- a/include/hw/isa/superio.h
+++ b/include/hw/isa/superio.h
@@ -3,7 +3,7 @@
  *
  * Copyright (c) 2018 Philippe Mathieu-Daudé
  *
- * This code is licensed under the GNU GPLv2 and later.
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
  * See the COPYING file in the top-level directory.
  * SPDX-License-Identifier: GPL-2.0-or-later
  */