Genesis 17:15

Then God said to Abraham, “As for Sarai your wife, do not call her Sarai, for her name is to be Sarah.

Note Both Sarai and Sarah mean princess; the change in spelling may reflect the difference in dialect between Ur and Canaan.

And God said unto Abraham, As for Sarai thy wife, thou shalt not call her name Sarai, but Sarah shall her name be.

Note Sarah: that is Princess

God said to Abraham, “As for Sarai your wife, you shall not call her name Sarai, but her name shall be Sarah.

And God said unto Abraham, As for Sarai thy wife, thou shalt not call her name Sarai, but Sarah shall her name be.