Correction (highlighted in bold) made on the pdf on Aug. 21st at 6:30am:
With the needles to work back and forth, cast on 40 stitches.
Rows 1-4: knit
Row 5: knit
Row 6: k2, purl to the last 2 sts, k2
Repeat rows 5 and 6 until the body measures 2 inches from the cast on edge and end with a row 6.