Error

using UnityEngine;
using UnityEngine.UI;
using System.Collections;

public class TextController : MonoBehaviour {

	public Text text;

	void Start () {
		text.text = "Hello world!";
	}

	void Update () {

		if (Input.GetKeyDown.(KeyCode.Space)) {
			text.text = "Space key was pressed.";
		}

	}
}