message: Fix add_vote2 comment.
diff: @@ -41,7 +41,7 @@ macro_rules! add_vote {
  };
  }
  -/// Creates a vote, assigns its hash to `$hash` and adds it to `$state`.
  +/// Creates a vote, adds it to `$state` and returns its hash.
  /// Returns an error if vote addition fails.
  // TODO: Replace add_vote with this.
  macro_rules! add_vote2 {
  