diff --git a/samples/puppeteer/oauth2-test.js b/samples/puppeteer/oauth2-test.js
index 5510420d..71fa5908 100644
--- a/samples/puppeteer/oauth2-test.js
+++ b/samples/puppeteer/oauth2-test.js
@@ -1,4 +1,4 @@
-// Copyright 2018, Google, LLC
+// Copyright 2018 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