roll-a-boll tutorial-rotator error

Assets/Scripts/Rotator.cs(12,1): error CS8025: Parsing error
using UnityEngine;
using System.Collections;

public class Rotator : MonoBehaviour 
{

	void Update ()
	{
		transform.Rotate(new Vector3(15, 30, 45) * Time.deltaTime);
	{
}

Please ensure that you have closing curly braces on your code, this parsing error usually signifies a missing brace.

If you have all braces closed, attempt to restart unity, this could be an internal error.