Java Script Error since Unity 5?

Questions & Answers
1

var respawnHeight : float = 50;

function FixedUpdate() {
    if (transform.position.z < -10) {
        RestartLevel();
    }
}

If my character falls off, it respawn.
but Unity 5 says there is an Error in Sentence 1 that the “:” shouln’d be there…
help

2

The only thing I can think about is to add “f” at the end

var respawnHeight : float = 50f;

To specify that’s a float.