Tweak copy on the new building apps with gatsby docs page (#3631)
Tweak copy on the new building apps with gatsby docs page (#3631)


gatsbyjs/gatsby,danielfarrell/gatsby,ChristopherBiscardi/gatsby,mingaldrichgan/gatsby,fabrictech/gatsby,ChristopherBiscardi/gatsby,fk/gatsby,fabrictech/gatsby,0x80/gatsby,fk/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,fabrictech/gatsby,danielfarrell/gatsby,0x80/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,ChristopherBiscardi/gatsby,danielfarrell/gatsby,mingaldrichgan/gatsby,ChristopherBiscardi/gatsby,fk/gatsby,mingaldrichgan/gatsby,0x80/gatsby