2 When you have crossed the Jordan into the land the LORD your God is giving you, set up some large stones and coat them with plaster.

Read Deuteronomy 27:2 Using Other Translations

And it shall be on the day when ye shall pass over Jordan unto the land which the LORD thy God giveth thee, that thou shalt set thee up great stones, and plaister them with plaister:
And on the day you cross over the Jordan to the land that the LORD your God is giving you, you shall set up large stones and plaster them with plaster.
When you cross the Jordan River and enter the land the LORD your God is giving you, set up some large stones and coat them with plaster.