diff --git a/docs/en/getting-started/quickstart/go/quickstart_test.go b/docs/en/getting-started/quickstart/go/quickstart_test.go
index 5b08f68d6a..33dd9af138 100644
--- a/docs/en/getting-started/quickstart/go/quickstart_test.go
+++ b/docs/en/getting-started/quickstart/go/quickstart_test.go
@@ -1,8 +1,10 @@
+// Copyright 2025 Google LLC
+//
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
-//	http://www.apache.org/licenses/LICENSE-2.0
+//     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,