Fix README of wrong example in example/hn (#1898)
Fix README of wrong example in example/hn (#1898)


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