1 files changed, 6 insertions, 15 deletions
diff --git a/src/clock.c b/src/clock.c
index 734c0d5014..9834f0f95c 100644
--- a/src/clock.c
+++ b/src/clock.c
@@ -1,21 +1,12 @@
 /*
- * File      : clock.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ * Copyright (c) 2006-2018, RT-Thread Development Team
  *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
+ * SPDX-License-Identifier: Apache-2.0
  *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/*
+ * File      : clock.c
  *
  * Change Logs:
  * Date           Author       Notes