message: fixing typo
  fixes
diff: @@ -235,7 +235,7 @@ Object.defineProperty(Tone.Oscillator.prototype, "type", {
  this._partialCount = 0;
  //just go with the basic approach
  if (this._oscillator !== null){
  - this._oscillator.type === type;
  + this._oscillator.type = type;
  }
  } else {
  var coefs = this._getRealImaginary(type, this._phase);
  