message: fixing error in comment
  [skip ci]
diff: @@ -40,16 +40,17 @@ define(["Tone/core/Tone", "Tone/core/Timeline", "Tone/type/Type"], function (Ton
  };
  /**
  - * Returns the scheduled state scheduled before or at
  - * the given time.
  + * Add a state to the timeline.
  * @param {String} state The name of the state to set.
  * @param {Number} time The time to query.
  + * @returns {Tone.TimelineState} this
  */
  Tone.TimelineState.prototype.setStateAtTime = function(state, time){
  this.add({
  "state" : state,
  "time" : time
  });
  + return this;
  };
  return Tone.TimelineState;
  