code cleaning

src/algorithms/libs/gnss_time.h

@@ -1,14 +1,20 @@
-/* -------------------------------------------------------------------------
+/*!
+ * \file gnss_time.h
+ * \brief class that stores both the receiver time, relative to the receiver start and the GNSS time (absolute)
+ * \author Javier Arribas 2022. jarribas(at)cttc.es
  *
- * Copyright (C) 2021 (see AUTHORS file for a list of contributors)
- *
- * GNSS-SDR is a software defined Global Navigation
- * Satellite Systems Simulator
+ * -----------------------------------------------------------------------------
  *
+ * GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
  * This file is part of GNSS-SDR.
  *
+ * Copyright (C) 2010-2020  (see AUTHORS file for a list of contributors)
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ * -----------------------------------------------------------------------------
  */
 
+
 #ifndef GNSS_SDR_GNSS_TIME_H
 #define GNSS_SDR_GNSS_TIME_H