Errata? -- In the last round, Denise refers to ch7 when I think she means 7sc:

“Rnd 8: Sl st into next sp, (6 sc, ch 3, sl st in top of last sc, 5 sc) in same sp, (8 sc, ch 3, sl st in top of last sc, ch 7) in next sp, (6 sc, ch 3, sl st in top of last sc, 5 sc) in next sp, 3 sc in next ch-5 sp, * (6 sc, ch 3, sl st in top of last sc, 5 sc) in next sp, (8 sc, ch 3, sl st in top of last sc, ch 7) in next sp, (6 sc, ch 3, sl st in top of last sc, 5 sc) in next sp, 3 sc in next ch-5 sp; rep from * around, join and fasten off.”