diff --git a/cmd/mop/main.go b/cmd/mop/main.go
index 0b77aee..aaaacfd 100644
--- a/cmd/mop/main.go
+++ b/cmd/mop/main.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2013-2019 by Michael Dvorkin. All Rights Reserved.
+// Copyright (c) 2013-2019 by Michael Dvorkin and contributors. All Rights Reserved.
 // Use of this source code is governed by a MIT-style license that can
 // be found in the LICENSE file.