*
* GNU Radio 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, or (at your option)
+ * the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
/*!
* \brief gate or zero output if ctcss tone not present
- * \ingroup block
+ * \ingroup level_blk
*/
class gr_ctcss_squelch_ff : public gr_squelch_base_ff
{