diff --git a/finding_test.go b/finding_test.go
index 57d9b50..8b8ee2b 100644
--- a/finding_test.go
+++ b/finding_test.go
@@ -1,3 +1,6 @@
+// Copyright 2023 Matthew P. Dargan.
+// SPDX-License-Identifier: Apache-2.0
+
 package ebay
 
 import (
diff --git a/response.go b/response.go
index 86e1c3d..a91232c 100644
--- a/response.go
+++ b/response.go
@@ -1,3 +1,6 @@
+// Copyright 2023 Matthew P. Dargan.
+// SPDX-License-Identifier: Apache-2.0
+
 package ebay
 
 import "time"