Let's come down here to v 15: "And the Holy Spirit also bears witness to us; for after He had previously said, 'This is the covenant that I will establish with them after those days,' says the Lord...
15  Ngetulu kwaloko, umoya longcwele ufakaza kitsi, ngobe ngemuva kwekutsi utsi: 16  "Naku lokushiwo nguJehova: 'Lesi sivumelwane lengitawusenta nabo ngemuva kwalawo malanga.