Holiday III - Fire on the boat

/*
Description:
Enjoying your holiday, you head out on a scuba diving trip!

Disaster!! The boat has caught fire!!

You will be provided a string that lists many boat related items. If any of these items are "Fire" you must spring into action. Change any instance of "Fire" into "~~". Then return the string.

Go to work!
*/

function fireFight(s){
  return s.replace(/Fire/g,'~~')
}