Updates readme and fixes error
Updates readme and fixes error

- Updates readme to show how to copy config file from the command line.
- Fixes error in config instructions where wrong line number and
formatting were given.
- Capitalizes `url`.

fna/owning-a-home,Scotchester/owning-a-home,cfarm/owning-a-home,virginiacc/owning-a-home,virginiacc/owning-a-home,amymok/owning-a-home,fassake/bdd-security,OrlandoSoto/owning-a-home,fassake/bdd-security,cfarm/owning-a-home,CapeSepias/owning-a-home,CapeSepias/owning-a-home,virginiacc/owning-a-home,CapeSepias/owning-a-home,contolini/owning-a-home,cfarm/owning-a-home,Scotchester/owning-a-home,Scotchester/owning-a-home,fna/owning-a-home,OrlandoSoto/owning-a-home,contolini/owning-a-home,amymok/owning-a-home,imuchnik/owning-a-home,OrlandoSoto/owning-a-home,virginiacc/owning-a-home,CapeSepias/owning-a-home,Scotchester/owning-a-home,fassake/bdd-security,amymok/owning-a-home,fna/owning-a-home,OrlandoSoto/owning-a-home,imuchnik/owning-a-home,imuchnik/owning-a-home,cfarm/owning-a-home,amymok/owning-a-home,contolini/owning-a-home,fassake/bdd-security,fna/owning-a-home,imuchnik/owning-a-home,contolini/owning-a-home