Unity script to control texts displayed on the scene

ControlEndText.cs

using UnityEngine;
using System.Collections;

public class ControlEndText : MonoBehaviour {

  public GameObject EndText;
  public GameObject RestartButton;

	// Use this for initialization
	void Start () {
      EndText.SetActive(false);
      RestartButton.SetActive(false);
	}
	
	// Update is called once per frame
	void Update () {
    if(CountDownTimer.gameTimerInt == 0) {
      EndText.SetActive(true);
      RestartButton.SetActive(true);
    }	
	}
}