Comments customised to the local network

src/freedombone-controlpanel

     dialog --title $"Set a static local IP address" \
            --backtitle $"Freedombone Control Panel" \
            --inputbox $"In order to forward incoming internet traffic to this system most internet routers need to know a static local IP address to send the data to.\n\n
-Enter a static local IP address for this system.\n\nIt will typically be 192.168.1.x" 15 60 "$STATIC_IP" 2>$data
+Enter a static local IP address for this system.\n\nIt will typically be ${IPv4_address_base}.x" 15 60 "$STATIC_IP" 2>$data
     sel=$?
     case $sel in
         0) NEW_STATIC_IP=$(<$data)
     trap "rm -f $data" 0 1 2 5 15
     dialog --title $"Set the IP address of your internet router/modem" \
            --backtitle $"Freedombone Control Panel" \
-           --inputbox $"Set the local IP address for your internet router or ADSL modem.\n\nIt will typically be 192.168.1.1, 192.168.1.254, or similar" 12 60 "$STATIC_GATEWAY" 2>$data
+           --inputbox $"Set the local IP address for your internet router or ADSL modem.\n\nIt will typically be ${IPv4_address_base}.1, ${IPv4_address_base}.254, or similar" 12 60 "$STATIC_GATEWAY" 2>$data
     sel=$?
     case $sel in
         0) NEW_STATIC_GATEWAY=$(<$data)