John's Second Testimony of Christ.
Christ's ministry and John's baptism:
Related Commentaries of John 3:22
John 3:22-24
22 After these things came Jesus and his disciples into the land of Judaea; and there he tarried with them, and baptized.
23 And John also was baptizing in Aenon near to Salim, because there was much water there: and they came, and were baptized.
24 For John was not yet cast into prison.