diff --git a/cmd/fitactivity/concealer/conceal_test.go b/cmd/fitactivity/concealer/conceal_test.go
index bb3c9f5d..9853f7b8 100644
--- a/cmd/fitactivity/concealer/conceal_test.go
+++ b/cmd/fitactivity/concealer/conceal_test.go
@@ -1,3 +1,7 @@
+// Copyright 2024 The FIT SDK for Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package concealer
 
 import (
diff --git a/cmd/fitactivity/opener/opener_test.go b/cmd/fitactivity/opener/opener_test.go
index 3958b311..782e4664 100644
--- a/cmd/fitactivity/opener/opener_test.go
+++ b/cmd/fitactivity/opener/opener_test.go
@@ -1,3 +1,7 @@
+// Copyright 2024 The FIT SDK for Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package opener
 
 import (