unity hide/show text

using UnityEngine;
using System.Collections;

public class PlayerController:MonoBehaviour
{
    public UnityEngine.UI.Text winText;
    void Start(){
        winText.text = "You Win!";
        winText.gameObject.SetActive (false); //hide winText
    }

　　 ....

    void OnTriggerEnter(Collider other){
        if (other.gameObject.tag == "Coin") {
            other.gameObject.SetActive(false); //hide coin
　　　　　 winText.gameObject.SetActive(true); //show winText

        }