As for the prophet who prophesies peace, only if the word of the prophet comes true will the prophet be recognized as one the LORD has truly sent.”
KJV
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.
ASV
The prophet that prophesieth of peace, when the word of the prophet shall come to pass, then shall the prophet be known, that Jehovah hath truly sent him.