The instructions refer to the next 2 stitches after you've worked the first 3. Another name for it is right twist
. If you google that, you'll find videos on YouTube.
You're really just knitting these two stitches out of order. The second from the tip first, then the one closest to the tip.
K3, with LH needle in front of next st, k the 2nd st without dropping from needle, then k the first st and let both sts fall from needle for knot st; rep from; end K3.
I think the LH
should read RH