Edit rounds-of-communication

easy/src/2pc-takeaways.typ

@@ -5,7 +5,7 @@
   function over their respective secret inputs. We can think of this
   as your prototypical _2PC_ (two-party computation).
 2. The main ingredient of a garbled circuit is _garbled gates_,
-  which area gates whose functionality is hidden. This can be done
+  which are gates whose functionality is hidden. This can be done
   by Alice precomputing different outputs of the garbled circuit
   based on all possible inputs of Bob, and then letting Bob pick one.
 3. Bob "picks an input" with the technique of _oblivious transfer (OT)_.

easy/src/ot.typ

@@ -83,7 +83,7 @@ And Bob decrypts the message to learn $x_i$.
 == OT in one step
 
 The protocol above required one and a half rounds of communication:
-Alice sent two messages to Bob, and Bob sent one message back to Alice.
+In total, Alice sent two messages to Bob, and Bob sent one message to Alice.
 
 We can do better, using public-key cryptography.