These are the words of the covenant - This verse seems properly to belong to the preceding chapter, as a widely different subject is taken up at Deu 29:2 of this; and it is distinguished as the 69th verse in some of the most correct copies of the Hebrew Bible.
Commanded Moses to make - לכרת lichroth, to cut, alluding to the covenant sacrifice which was offered on the occasion and divided, as is explained, Gen 15:18 (note).
Beside the covenant which he made - in Horeb - What is mentioned here is an additional institution to the ten words given on Horeb; and the curses denounced here are different from those denounced against the transgressors of the decalogue.