As some of you might have seen, Riot you announced the Masteries for Season 2: http://eune.leagueoflegends.com/masteries-season-two

One of them in the Utility tree is called Improved Recall and the description reads:

I think it means Dominion recall (which is faster than regular)

I guess that makes sense although the masteries Sage and Mercenary both specifically refer to Crystal Scar in order to make the difference clear.

u use recall in 3v3/5v5
in dominion it is enhanced recall (it is faster then normal)
prety obv imo

Yeah, Enhanced Recall is indeed the Crystal Scar version (so called since it's faster).