Greater Potency underwhelming

For a paladin, 20 STR is 50.6 attack power.

Greater potency in wotlk is 50 attack power.

i'm confused.
there's 3 enchants, all on 1Hs, with 50/65/110 +ap.
i'm really confused.
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Tankadin
Holy is too easy.
Prot PvE by ever.
Ret PvP by TBC.

My hunch is that the potency ones are a typo, and that the AP should be strength. As is it doesn't make any sense at all.
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Of course +20 Strength's better than 50 AP for a Paladin. I don't think Greater Potency's aimed at us.
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Blog : Gear Advice - now with 3.0 Info!

Potency - 20 str
Greater Potency - 50 AP
Superior Potency - 65 AP
Greater Savergy - 85 AP
Massacre - 110 AP

According to wowhead these are all 1hand or 2 hand enchants. (Probably to deal with Warriors duel wielding 2handers.
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10 points to anyone who can spot the pun.

wowhead is down at the moment but I am curious if they have changed the current potency enchant to AP.
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WTB Crusader v.2
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