diff --git a/aip31068/devbustestrecording_test.go b/aip31068/devbustestrecording_test.go
index df14f66..418d1b3 100644
--- a/aip31068/devbustestrecording_test.go
+++ b/aip31068/devbustestrecording_test.go
@@ -1,3 +1,7 @@
+// Copyright 2025 The Periph Authors. All rights reserved.
+// Use of this source code is governed under the Apache License, Version 2.0
+// that can be found in the LICENSE file.
+
 package aip31068_test
 
 import (