message: Fixnames in Readme, too
diff: @@ -15,12 +15,12 @@ Decentralized message distribution inspired by Twitter.
  ```rust
  // All global peeps.
  -GLOBAL_TWEETS = [Peep; 10]
  +GLOBAL_PEEPS = [Peep; 10]
  // The address for the registered user
  AUTH = mapping Username -> Address
  // All peeps by a single user
  -USER_TWEETS = mapping Username -> Vec<Peep>
  +USER_PEEPS = mapping Username -> Vec<Peep>
  // All users that this user is following
  USER_FOLLOWS = mapping Username -> Vec<Username>
  ```
  @@ -35,7 +35,7 @@ fn register(username)
  fn peep(username, peep)
  if AUTH[username] = caller()
  - TWEETS[username].append(peep)
  + PEEPS[username].append(peep)
  fn follow(username: String, followed: String)
  if AUTH[username] == caller() and AUTH[followed].is_some()
  