error CS1525: Unexpected symbol `{'

Hey guys im trying to make a weapon switching system by deactivateing and activating weapons i get this error error CS1525: Unexpected symbol `{’ and my code is:

public class WeaponSwitch : MonoBehaviour {
    public GameObject ak47;
    public GameObject sword;

    void Start()
    {
      
    }

    void Update()
    {
        if (Input.GetKeyDown(KeyCode.Alpha1){

            ak47.SetActive(true);
            sword.SetActive(false);
        }   



        if (Input.GetKeyDown(KeyCode.Alpha2){

            ak47.SetActive(false);
            sword.SetActive(true); 
        }
    }

}

----------Hi TvattSvampen,

U missed parentheses “)” after Keycode.Alpha1 and Keycode.Alpha2.