NET
4 Paul said, “John baptized with a baptism of repentance, telling the people to believe in the one who was to come after him, that is, in Jesus.”
Darby
4 And Paul said, John indeed baptised [with] the baptism of repentance, saying to the people that they should believe on him that was coming after him, that is, on Jesus.
KJV
4 Then said Paul, John verily baptized with the baptism of repentance, saying unto the people, that they should believe on him which should come after him, that is, on Christ Jesus.