Issues with Spec switch

[Kezedj]

Hi,

I'm using version 3.4.0 of Power auras (PowerAuras 4.32.5-WrathClassic.zip) on Wotlk classic.
My issue is two-fold: first of all, I see spec 3 and spec 4 in the aura panel (and there are not that many specs in Wotlk); and then, I cannot configure any aura to work exclusively on one spec or the other (using only spec 1 and spec 2).

Hopefully the attached picture will display properly.

Did I miss-configure something? I cannot find any related to topic

Thanks,