4 files changed, 8 insertions, 12 deletions
diff --git a/lib/math/big/big.go b/lib/math/big/big.go
index 411a8f61..71608345 100644
--- a/lib/math/big/big.go
+++ b/lib/math/big/big.go
@@ -1,6 +1,5 @@
-// Copyright 2020, 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-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2020 Shulhan <ms@kilabit.info>
 
 // Package big extends the capabilities of standard "math/big" package by
 // adding custom global precision to Float and Rat; and global rounding mode,
diff --git a/lib/math/big/rat_test.go b/lib/math/big/rat_test.go
index 4b87e157..c74fa610 100644
--- a/lib/math/big/rat_test.go
+++ b/lib/math/big/rat_test.go
@@ -1,6 +1,5 @@
-// Copyright 2020, 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-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2020 Shulhan <ms@kilabit.info>
 
 package big
 
diff --git a/lib/math/math.go b/lib/math/math.go
index 0eb904d3..3b7597ff 100644
--- a/lib/math/math.go
+++ b/lib/math/math.go
@@ -1,6 +1,5 @@
-// Copyright 2015 Mhd Sulhan <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-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2015 Mhd Sulhan <ms@kilabit.info>
 
 // Package math provide generic functions working with math.
 package math
diff --git a/lib/math/math_test.go b/lib/math/math_test.go
index ae7bf563..89019798 100644
--- a/lib/math/math_test.go
+++ b/lib/math/math_test.go
@@ -1,6 +1,5 @@
-// Copyright 2015 Mhd Sulhan <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-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2015 Mhd Sulhan <ms@kilabit.info>
 
 package math