Yet if they bethink themselves in the land whither they are carried captive, and turn and pray unto thee in the land of their captivity, saying, We have sinned, we have done amiss, and have dealt wickedly; If they bethink themselves - "If thy fear should return into their hearts." - Targum.
The whole of this prayer is amply considered in the parallel place, 1 Kings 8:22-53 (note), where see the notes.