static void usage(char *program)
{
- fprintf(stderr, "usage: %s [--tty <tty-name>] [--device <device-name>] [--cal <radio-cal>] file.ihx serial-number\n", program);
+ fprintf(stderr, "usage: %s [--tty=<tty-name>] [--device=<device-name>] [--cal=<radio-cal>] file.ihx serial-number\n", program);
exit(1);
}