Read Deuteronomy 21:14 Using Other Translations
And it shall be, if thou have no delight in her, then thou shalt let her go whither she will; but thou shalt not sell her at all for money, thou shalt not make merchandise of her, because thou hast humbled her.
But if you no longer delight in her, you shall let her go where she wants. But you shall not sell her for money, nor shall you treat her as a slave, since you have humiliated her.
But if you marry her and she does not please you, you must let her go free. You may not sell her or treat her as a slave, for you have humiliated her.