update arg names in docs and signature
update arg names in docs and signature

MikeMcQuaid/brew,JCount/brew,nandub/brew,Homebrew/brew,nandub/brew,nandub/brew,Homebrew/brew,MikeMcQuaid/brew,Homebrew/brew,MikeMcQuaid/brew,MikeMcQuaid/brew,JCount/brew,JCount/brew,nandub/brew,JCount/brew,Homebrew/brew