FAQ: fix -- to — conversion.
FAQ: fix -- to — conversion.

Closes Homebrew/homebrew#47523.

Signed-off-by: Mike McQuaid <a17fed27eaa842282862ff7c1b9c8395a26ac320@mikemcquaid.com>

Linuxbrew/brew,DomT4/brew,EricFromCanada/brew,mgrimes/brew,jmsundar/brew,alyssais/brew,AnastasiaSulyagina/brew,mistydemeo/homebrew,ilovezfs/brew,vitorgalvao/brew,AnastasiaSulyagina/brew,amar-laksh/brew_sudo,DomT4/brew,ilovezfs/brew,EricFromCanada/brew,toonetown/homebrew,MikeMcQuaid/brew,gordonmcshane/homebrew,palxex/brew,pseudocody/brew,maxim-belkin/brew,Homebrew/brew,zmwangx/brew,vitorgalvao/brew,reitermarkus/brew,konqui/brew,nandub/brew,JCount/brew,pseudocody/brew,mgrimes/brew,sjackman/homebrew,alyssais/brew,reelsense/brew,reelsense/brew,amar-laksh/brew_sudo,gregory-nisbet/brew,toonetown/homebrew,zmwangx/brew,staticfloat/brew,JCount/brew,bfontaine/brew,jmsundar/brew,hanxue/linuxbrew,muellermartin/dist,rwhogg/brew,AnastasiaSulyagina/brew,zmwangx/brew,maxim-belkin/brew,reitermarkus/brew,Linuxbrew/brew,nandub/brew,claui/brew,toonetown/homebrew,konqui/brew,bfontaine/brew,DomT4/brew,aw1621107/brew,nandub/brew,EricFromCanada/brew,JCount/brew,rwhogg/brew,konqui/brew,muellermartin/dist,claui/brew,staticfloat/brew,konqui/brew,gregory-nisbet/brew,alyssais/brew,palxex/brew,mistydemeo/homebrew,vitorgalvao/brew,amar-laksh/brew_sudo,nandub/brew,jmsundar/brew,claui/brew,hanxue/linuxbrew,gordonmcshane/homebrew,Linuxbrew/brew,Homebrew/brew,bfontaine/brew,MikeMcQuaid/brew,Homebrew/brew,maxim-belkin/brew,reelsense/brew,aw1621107/brew,MikeMcQuaid/brew,vitorgalvao/brew,reitermarkus/brew,Homebrew/brew,sjackman/homebrew,ilovezfs/brew,sjackman/homebrew,gregory-nisbet/brew,mistydemeo/homebrew,DomT4/brew,mahori/brew,hanxue/linuxbrew,muellermartin/dist,tonyg/homebrew,Linuxbrew/brew,JCount/brew,EricFromCanada/brew,tonyg/homebrew,tonyg/homebrew,mahori/brew,gordonmcshane/homebrew,aw1621107/brew,pseudocody/brew,MikeMcQuaid/brew,rwhogg/brew,reitermarkus/brew,claui/brew,sjackman/homebrew,staticfloat/brew,mahori/brew,mahori/brew,mgrimes/brew,palxex/brew