Knights of the Inner Sea errata? (Order of the Penitent class skills)

[Devastation Bob]

Per the Knights book, Order of the Penitent adds Escape Artist and Sense Motive, but Sense Motive is already a class skill for cavaliers. Should it be something else, or do they just get Escape Artist?

[abellius]

I would like to know this as well.

[Æthernaut]

Ditto.

[David knott 242]

They may be allowing for the possibility that somebody qualifies for that prestige class with no Cavalier levels, or for the possibility that there could be a Cavalier archetype that does not have Sense Motive as a class skill.