diff --git a/doc/contribute.html b/doc/contribute.html
index feeaf08643..adaf983cee 100644
--- a/doc/contribute.html
+++ b/doc/contribute.html
@@ -394,7 +394,7 @@ Authors”—the copyright holders—are.
 <p>New files that you contribute should use the standard copyright header:</p>
 
 <pre>
-// Copyright 2017 The Go Authors. All rights reserved.
+// Copyright 2018 The 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.
 </pre>