Record format requires a parameter.
@ -59,7 +59,7 @@ static void usage(const char *arg0) {
" -f, --fullscreen\n"
" Start in fullscreen.\n"
"\n"
" -F, --record-format\n"
" -F, --record-format format\n"
" Force recording format (either mp4 or mkv).\n"
" -h, --help\n"