Flesh Out vs. Flush Out

Thought I used this incorrectly today, but according to this random website:

To “flesh out” an idea is to give it substance, as a sculptor adds clay flesh to a skeletal armature. To “flush out” a criminal is to drive him or her out into the open. The latter term is derived from bird-hunting, in which one flushes out a covey of quail. If you are trying to develop something further, use “flesh”; but if you are trying to reveal something hitherto concealed, use “flush.”

I was talking about "flushing" out facts during diligence, so I guess I had it right.