Work Rows 1 to 10 as given.
Continue increasing as set until you have completed the 150 row stripe sequence.
At this point you should have 299 stitches on your needles.
Row 141 has been mislabelled and should be row 151.
Continue as instructed, working the two row increase sequence as given. This should give you a total of 327 stitches after your last increase row.