all: re-licensing gotp under GPL-3.0 or later

See https://kilabit.info/journal/2022/gpl/ for more information.

1 files changed, 2 insertions, 3 deletions

diff --git a/issuer.go b/issuer.go
index 494d51d..e3d32d6 100644
--- a/issuer.go
+++ b/issuer.go
@@ -1,6 +1,5 @@
-// Copyright 2021, Shulhan <ms@kilabit.info>. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// SPDX-FileCopyrightText: 2021 M. Shulhan <ms@kilabit.info>
+// SPDX-License-Identifier: GPL-3.0-or-later
 
 package gotp