Updating the description on a referenced ability

[direinsomniac]

I am adding a custom monster into the editor and I am bootstrapping a Racial Special ability. How do I update the description that shows upon hover over or the "?" bubble without duplicating the original ability?

Specifics:
The creature has the Confusion Gaze ability, but I want the text for it to reflect the creature's DCs in the Description not the original description.

I think there is a groupID or other tag that should allow for this, "livedesc" or something like that, but can't seem to get the overwrite to work properly.