Saw the origin transcript from Miami just now. He in fact termed it a “riot.” It can be substantiated.
Trump supporters have become very good at translating what Trump really said... Never mind his actual words...
He did use the word “Riot”.
See
https://www.youtube.com/watch?v=6ZMb8ezDedY
His answer starts at :30 and he uses the word a 0:37.