Mentions how hub needs to be configured
Mentions how hub needs to be configured

This is to address issue #3531
pseudocody/brew,mgrimes/brew,JCount/brew,reelsense/brew,Homebrew/brew,konqui/brew,aw1621107/brew,alyssais/brew,maxim-belkin/brew,ilovezfs/brew,hanxue/linuxbrew,EricFromCanada/brew,JCount/brew,ilovezfs/brew,claui/brew,Linuxbrew/brew,sjackman/homebrew,Homebrew/brew,claui/brew,reitermarkus/brew,sjackman/homebrew,alyssais/brew,EricFromCanada/brew,vitorgalvao/brew,konqui/brew,EricFromCanada/brew,maxim-belkin/brew,EricFromCanada/brew,reelsense/brew,vitorgalvao/brew,MikeMcQuaid/brew,Linuxbrew/brew,reitermarkus/brew,mahori/brew,konqui/brew,pseudocody/brew,DomT4/brew,vitorgalvao/brew,Linuxbrew/brew,ilovezfs/brew,reitermarkus/brew,claui/brew,mgrimes/brew,aw1621107/brew,DomT4/brew,nandub/brew,nandub/brew,maxim-belkin/brew,reitermarkus/brew,MikeMcQuaid/brew,Linuxbrew/brew,reelsense/brew,hanxue/linuxbrew,nandub/brew,konqui/brew,mahori/brew,DomT4/brew,vitorgalvao/brew,mgrimes/brew,JCount/brew,hanxue/linuxbrew,MikeMcQuaid/brew,DomT4/brew,alyssais/brew,sjackman/homebrew,aw1621107/brew,claui/brew,mahori/brew,sjackman/homebrew,mahori/brew,pseudocody/brew,nandub/brew,Homebrew/brew,JCount/brew,Homebrew/brew,MikeMcQuaid/brew