Merge branch 'tictactoe-protocol' into patch-2

text/protocols/parties-roles-participants.md

@@ -27,7 +27,7 @@ and *bidder*--even though there may be many parties involved.
 
 # Participants
 
-The __participants__ in a protocol are the agents that actually perform the steps of
+The __participants__ in a protocol are the agents that actually move the steps of
 the protocol through the interaction. Alice, Bob, and Carol may each have a cloud
 agent, a laptop, and a phone; if they engage in an introduction protocol using
 phones, then the agents on their phones are the participants. If the phones