diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 796ca278ce..a7ac4299d8 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -410,8 +410,8 @@ define's such as ``INT_MAX``:
 
 All new source files should begin with a copyright and license stating:
 
+    // Copyright (c) Contributors to the OpenEXR Project. All rights reserved.
     // SPDX-License-Identifier: BSD-3-Clause
-    // Copyright Contributors to the OpenEXR Project.
 
 #### Third-party libraries