Round 21 should read: *K1, T1R, k1, k2tog, yo, k1tbl, yo, [sl1, k2tog, psso], yo, k1tbl, yo, ssk, k1, T1L, k1; repeat from * to end of round.
Row #23, Stitch #10 should be an SSK (\), rather than a K (blank square).
Turn Heel instructions:
Skip Rows 2 and 3 and continue with Row 4 in the following manner. Row 1 (RS): Sl1 pwise, k18, ssk, k1, turn. new Row 2 (old Row 4): Sl1, p5, p2tog, p1, turn.
This only affects patterns bought between 1/4/08 and 10/24/08 Turn heel........ There should be 20 sts remaining in the heel flap.
Creating Gusset / Working Foot
With right side facing, knit 20 heel sts, pick up 16 sts along the slipped sts on the left side of the heel flap. Place marker. Knit next 34 instep sts from the holder, place marker. Pick up and knit 16 sts along the slipped sts on the right side of the heel flap. Knit 20 heel sts. Knit over next 16 gusset sts. This marks the beginning of your future rounds.