Note about reverting to dynamic IP

src/freedombone-controlpanel

     dialog --title $"Set a static local IP address" \
            --backtitle $"Freedombone Control Panel" \
            --inputbox $"In order to forward incoming internet traffic to this system most internet routers need to know a static local IP address to send the data to.\n\n
-Enter a static local IP address for this system.\n\nIt will typically be ${IPv4_address_base}.x" 15 60 "$STATIC_IP" 2>$data
+Enter a static local IP address for this system.\n\nIt will typically be ${IPv4_address_base}.x\n\nIf you leave this field blank then the system will revert to using a dynamic IP address." 18 60 "$STATIC_IP" 2>$data
     sel=$?
     case $sel in
         0) NEW_STATIC_IP=$(<$data)