en_tn/deu/27/01.md

I command

Here "I" refers to Moses. The elders are there in agreement with Moses, but he is the only one speaking.

plaster them with plaster

Plaster is a paste that goes on wet and dries to form a smooth surface, suitable for writing upon. AT: "spread plaster on them" or "spread a white substance on them"

a land flowing with milk and honey

See how you translated this in Deuteronomy 6:3.