That's exactly what happened. However, I think the second paddle pull was actually ignored. The muti-gear downshift is meant to put you in the lowest gear that won't cause overrev. It will even drop you to 2nd at about 7700 RPM - you have to be on your toes.
Originally Posted by M3Now!
I'll bet you actually discovered the "skip downshift" ability noted above, where it responded to flooring it and a downshift by shifting down to the best gear. Your second paddle shift may have sent it down one more.