diff --git a/library/chachapoly.c b/library/chachapoly.c
index f232190..c8b5bba 100644
--- a/library/chachapoly.c
+++ b/library/chachapoly.c
@@ -3,7 +3,7 @@
  *
  * \brief ChaCha20-Poly1305 AEAD construction based on RFC 7539.
  *
- *  Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
+ *  Copyright The Mbed TLS Contributors
  *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
  *
  *  This file is provided under the Apache License 2.0, or the
@@ -44,8 +44,6 @@
  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  *  **********
- *
- *  This file is part of mbed TLS (https://tls.mbed.org)
  */
 #if !defined(MBEDTLS_CONFIG_FILE)
 #include "mbedtls/config.h"