Chapter 6.7 - Exc. 6: Minor correction

[sevanspowell]

This still confuses me, so sorry if I've misinterpreted, but I think:

The container OneMore f is also has an ordering, where the new element comes before any element of f. Write a Foldable instance for OneMore f:

should be changed to:

The container OneMore f also has an ordering, where the new element comes before any element of f. Write a Foldable instance for OneMore f:

Thanks!