diff --git a/programs/pkey/pk_sign.c b/programs/pkey/pk_sign.c
index cd0312e..380596a 100644
--- a/programs/pkey/pk_sign.c
+++ b/programs/pkey/pk_sign.c
@@ -1,7 +1,7 @@
 /*
  *  Public key-based signature creation program
  *
- *  Copyright (C) 2006-2015, 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
@@ -42,8 +42,6 @@
  *  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)