@@ -294,7 +294,7 @@ The move ends with `*` (that is, any noun) since each type of move takes
294294different data. In our case, a `%poke` move takes a target (urbit and app) and
295295marked data, then pokes the arm of the corresponding mark on that app on that
296296urbit with that data. `[to-urbit-address %pong]` is the target urbit and app,
297−`%atom` is the `mark`, and`'howdy'` is the data.
297+`%atom` is the `mark`, and`'Pong'` is the data.
298298
299299When Arvo receives a `%poke` move, it calls the appropriate `++poke`. The same
300300mechanism is used for sending messages between apps on the same urbit as for
@@ -308,9 +308,9 @@ sending messages between apps on different urbits.
308308**Exercises**:
309309
310310- Extend either of the apps in the first two exercises to accept input over
311− the network in the same way as `pong`.
311+ the network in the same way as `%pong`.
312312
313−- Modify `examples-pong` to print out a message when it receives
313+- Modify `pong.hoon` to print out a message when it receives
314314 acknowledgement.
315315
316316- Write two apps, `even` and `odd`. When you pass an atom to `even`, check