Please insert semicolon ; at the end UCE0001 HELP!!!!!!!

 #pragma strict
 
 var rotationSpeed = 100;
 var jumpHeight = 8;
 
 private var isFalling = false;
 
 function Update () 
 {
     //Handle ball rotation.
     var rotation : float Input.GetAxis ("Horizontal") * rotationSpeed;
     rotation *= Time.deltaTime;
     rigidbody.AddRelativeTorque (Vector3.back * rotation);
     
     if (Input.GetKeyDown(KeyCode.W) && isFalling == false)
     {
         rigidbody.velocity.y = jumpHeight;
     }
     isFalling = true;
 }
 
 function OnCollisionStay ()
 {
     isFalling = false;
 }

i dont see where the ; needs to be. Im watching a tutorial by www.youtube.com/Brackeys i did exactly as he said and it still comes up with an error code. Please help with this situation.