King James Version
The prophet which prophesieth of peace, when the word of the prophet shall come to pass, then shall the prophet be known, that the LORD hath truly sent him.English Standard Version
As for the prophet who prophesies peace, when the word of that prophet comes to pass, then it will be known that the LORD has truly sent the prophet."Catholic Public Domain Version
The prophet who has predicted peace, if his word will occur, then the prophet will be known as one whom the Lord has sent in truth.