diff --git a/column_editor.go b/column_editor.go
index 41c21d9..7170d80 100644
--- a/column_editor.go
+++ b/column_editor.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.