The Left Front Placket has been updated to read:
Left Front Placket:
Next Row (WS): K3, purl to end.
Next Row (RS): Knit.
Rep last 2 rows 1 more time, then rep WS row once more, changing to MC to match Back.
Next Row - Buttonhole Row (RS): Knit to last 3 sts, k1, yo, ssk.
Work 7 more rows as est.
Rep Buttonhole Row.
Work even as est until Placket meas 2ΒΌ", ending with a RS row.
Updated 03/30/2022.