3 Adj. Targeting = resistance or defense bonus?

The wiki shows Adjusted Targeting as "+ Positive/Negative Energy Res" with three slots in the short-form table, but in the description of the set bonus it shows "Three enhancements increases Energy and Negative Energy Defense by 1.26%."

Does it enhance resistance or defense?

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If we are to die, let us die like men. -- Patrick Cleburne
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The rule is that they must be loved. --Jayne Fynes-Clinton, Death of an Abandoned Dog

It's Resistance. (Actually one of the only ways to get Energy Resistance via set bonuses)

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The plastic tips at the end of shoelaces are called aglets. Their true purpose is sinister.
--The Question, JLU