In the first printing of this pattern, there was a sentence left out. On the back page first paragraph should read-
At the end of this last increase row, cast on 7 (8, 9) sts.
Next row- k 4, p to the end of this row, cast on 7 (8, 9) sts.
Next row- *k to within 1 st of marker, inc, slip marker, inc*, rep at each marker, k to end of row. You will have increased 8 times in this row.