Korrin is used to people noticing her before she notices them, for the most part. There may be a couple of other qunari about, but she's very much aware of being in the minority around Skyhold. She's still getting used to the daily aspects of various sizes, most of them smaller than her own.

So it's probably understandable after acquiring her drink, she doesn't think to look down and bumps right into the dwarven scout, spilling some of her eagerly-awaited ale in the process. That brings her to a halt, and her eyes widen in surprise and mortification, all the more so as she recognizes the one before her.

"Oh, I'm so sorry--"