 Sure does, but that's a quote from Deuteronomy 4, which says essentially the same thing in almost exactly the same words. That's Revelation 22, 18 and forward. So think about it. It's quoting Deuteronomy 4 and Deuteronomy 13. So if you're going to hold Revelation 22, 18 to the same standard, well, then you should have nothing in your Bible after Deuteronomy 4, or at least after the book of Deuteronomy.