fix challenge message
fix challenge message

DigitalZebra/bunker,alexandergmann/bunker,DigitalZebra/bunker,djbielejeski/bunker,pbrejcha/bunker,weegeekps/bunker,johnculviner/bunker,djbielejeski/bunker,alexandergmann/bunker,pbrejcha/bunker,bunkerchat/bunker,johnculviner/bunker,bunkerchat/bunker,weegeekps/bunker