When Apollos resolved to cross over to Achaia, the brothers encouraged him and wrote to the disciples there to welcome him. On his arrival, he was a great help to those who by grace had believed.
KJV
And when he was disposed to pass into Achaia, the brethren wrote, exhorting the disciples to receive him: who, when he was come, helped them much which had believed through grace:
ASV
And when he was minded to pass over into Achaia, the brethren encouraged him, and wrote to the disciples to receive him: and when he was come, he helped them much that had believed through grace;