Looks like a “special comment” is on the way, as announced on the MSDNC internet property (it might as well be) DailyKos.com:

Later he wrote a Daily Kos comment about the incident, saying, “Reading your great points here not only leavens my mood a little bit after this unexpected confrontation with propaganda makes me think that I might revisit this next week.”

Watch the video from the convention here.