Copy edit: Guides - Plug (#4180)
Copy edit: Guides - Plug (#4180)


optikfluffel/phoenix,eksperimental/phoenix,nshafer/phoenix,rafbgarcia/phoenix,0x00evil/phoenix,rafbgarcia/phoenix,0x00evil/phoenix,nshafer/phoenix,eksperimental/phoenix,rafbgarcia/phoenix,0x00evil/phoenix,phoenixframework/phoenix,phoenixframework/phoenix,optikfluffel/phoenix,optikfluffel/phoenix,nshafer/phoenix,phoenixframework/phoenix