Mark 1:4 in the World English Bible
John came baptizing in the wilderness and preaching the baptism of repentance for forgiveness of sins.
Context
3 The voice of one crying in the wilderness, Prepare ye the way of the Lord, make his paths straight.
4 John did baptize in the wilderness, and preach the baptism of repentance for the remission of sins.
5 And there went out unto him all the land of Judæa, and they of Jerusalem, and were all baptized of him in the river of Jordan, confessing their sins.