Mark 1:4

And so John came, baptizing in the desert region and preaching a baptism of repentance for the forgiveness of sins.

(New International Version)

John the Baptist appeared in the wilderness preaching a baptism of repentance for the forgiveness of sins.

(New American Standard Bible)

John did baptize in the wilderness, and preach the baptism of repentance for the remission of sins.

(King James Version)