diff --git a/os/nil/templates/chconf.h b/os/nil/templates/chconf.h
index 3f0c953d7..192b2e5db 100644
--- a/os/nil/templates/chconf.h
+++ b/os/nil/templates/chconf.h
@@ -1,17 +1,20 @@
 /*
-    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+    ChibiOS - Copyright (C) 2006,2007,2008,2009,2010,2011,2012,2013,2014,
+              2015,2016,2017,2018,2019,2020,2021 Giovanni Di Sirio.
 
-    Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
+    This file is part of ChibiOS.
 
-        http://www.apache.org/licenses/LICENSE-2.0
+    ChibiOS 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 version 3 of the License.
 
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
+    ChibiOS 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.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 /**