Code tidy, comment wording, spelling...
diff --git a/ub-example.h b/ub-example.h
index 6ed3626..131c807 100644
--- a/ub-example.h
+++ b/ub-example.h
@@ -1,11 +1,14 @@
-//
-//  ub-example.h
-//  QCBOR
-//
-//  Created by Laurence Lundblade on 4/8/22.
-//  Copyright © 2022 Laurence Lundblade. All rights reserved.
-//
+/* =========================================================================
+   ub-example.h -- Example code for UsefulBuf
 
+   Copyright (c) 2022, Laurence Lundblade. All rights reserved.
+
+   SPDX-License-Identifier: BSD-3-Clause
+
+   See BSD-3-Clause license in README.md
+
+   Created on 4/8/22
+  ========================================================================== */
 #ifndef ub_example_h
 #define ub_example_h