diff --git a/include/mbedtls/bignum.h b/include/mbedtls/bignum.h
index 1d00c56..0d019b9 100644
--- a/include/mbedtls/bignum.h
+++ b/include/mbedtls/bignum.h
@@ -4,7 +4,7 @@
  * \brief Multi-precision integer library
  */
 /*
- *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
+ *  Copyright The Mbed TLS Contributors
  *  SPDX-License-Identifier: Apache-2.0
  *
  *  Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -18,8 +18,6 @@
  *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
- *
- *  This file is part of mbed TLS (https://tls.mbed.org)
  */
 #ifndef MBEDTLS_BIGNUM_H
 #define MBEDTLS_BIGNUM_H