Rows 7, 9 and 11 should read:
K2, P2, work Row 2 of Lace Panel, P3, K16 (24: 32), P3, work Row 2 of Lace Panel, P2, K2.
The first 3 rows of "increasing for Panel should read as follows:
Next row (RS inc row) K1, kfb, P2, work next row of Lace Panel,
P3, K1, kfb, K12 (20: 28), kfb, K1, P3, work next row of Lace Panel,
P2, kfb, K1.
Last row sets shaping, one st in from each edge and one stitch in from each side of the centre panel.
Next row (WS) P42, K3, P18 (26: 34), K3, purl to end.
Next row K3, P2, work next row of Lace Panel, P3, K18 (26: 34), P3, work next row of Lace Panel, P2, K3.
Rep last 2 rows once more, then work the first of these two rows again.
Sleepy Slip-ons (from the Nordic supplement)
When you get to "For both Socks", cont working from the chart across all of the stitches (including those on the holder)