- " -i, --speed <sec>\tSet the initial step-down interval, in seconds\n"
- " -m, --min-players <2>\tNumber of players required before starting the game\n"
- " -x, --max-players <8>\tMaximum number of players allowed in the game\n"
+ " -i, --speed %.2f\tSet the initial step-down interval, in seconds\n"
+ " -m, --min-players %d\tNumber of players required before starting the game\n"
+ " -x, --max-players %d\tMaximum number of players allowed in the game\n"