diff --git a/harbour/source/rtl/radiogrp.prg b/harbour/source/rtl/radiogrp.prg
index e578d5fdc3..34cb2cb61a 100644
--- a/harbour/source/rtl/radiogrp.prg
+++ b/harbour/source/rtl/radiogrp.prg
@@ -9,7 +9,7 @@
  * Copyright 2000 Luiz Rafael Culik <culik@sl.conex.net>
  * www - http://www.harbour-project.org
  *
- * This program is free software; you can redistribute it and/or modIFy
+ * 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, or (at your option)
  * any later version.
@@ -20,14 +20,14 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this software; see the file COPYING.  IF not, write to
+ * along with this software; see the file COPYING.  If not, write to
  * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  * Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
  *
  * As a special exception, the Harbour Project gives permission for
  * additional uses of the text contained in its release of Harbour.
  *
- * The exception is that, IF you link the Harbour libraries with other
+ * The exception is that, if you link the Harbour libraries with other
  * files to produce an executable, this does not by itself cause the
  * resulting executable to be covered by the GNU General Public License.
  * Your use of that executable is in no way restricted on account of
@@ -37,16 +37,16 @@
  * the executable file might be covered by the GNU General Public License.
  *
  * This exception applies only to the code released by the Harbour
- * Project under the name Harbour.  IF you copy code from other
+ * Project under the name Harbour.  If you copy code from other
  * Harbour Project or Free Software Foundation releases into a copy of
  * Harbour, as the General Public License permits, the exception does
  * not apply to the code that you add in this way.  To avoid misleading
- * anyone as to the status of such modIFied files, you must delete
+ * anyone as to the status of such modified files, you must delete
  * this exception notice from them.
  *
- * IF you write modIFications of your own for Harbour, it is your choice
- * whether to permit this exception to apply to your modIFications.
- * IF you do not wish that, delete this exception notice.
+ * If you write modifications of your own for Harbour, it is your choice
+ * whether to permit this exception to apply to your modifications.
+ * If you do not wish that, delete this exception notice.
  *
  */