rubocops/homepage: fix frozen string error.
rubocops/homepage: fix frozen string error.

nandub/brew,Homebrew/brew,Homebrew/brew,sjackman/homebrew,Homebrew/brew,MikeMcQuaid/brew,vitorgalvao/brew,nandub/brew,MikeMcQuaid/brew,vitorgalvao/brew,sjackman/homebrew,vitorgalvao/brew,claui/brew,JCount/brew,JCount/brew,claui/brew,claui/brew,MikeMcQuaid/brew,EricFromCanada/brew,JCount/brew,EricFromCanada/brew,claui/brew,vitorgalvao/brew,MikeMcQuaid/brew,nandub/brew,nandub/brew,EricFromCanada/brew,EricFromCanada/brew,JCount/brew,Homebrew/brew,sjackman/homebrew,sjackman/homebrew