The Zealot/RP mainhand for healers is missing the +AP or +reduction in being critically hit. The intel 1H variant appears fine. These bonuses are available in the Dok/WP/AM/Shaman sets.
Here is the intel based 1H (notice the +3AP)

Here is the one for healer (notice lack of + anything)

For reference, here is the Dok equiv:

Suggestion:
Add a +3AP or +1% reduction in being critically hit to this item