That gets her eyebrows creeping up. Shepard's hand comes away from the console and she cocks her head (very) slightly to the side. "Well if you think you could do it better," --she gives the VR console a delicate tap with the toe of her boot-- "be my guest. You're supposed to be pretty good with calibrating things, right?"

No, that's not a shit eating grin on her face. Not quite.