BCE0044: expecting :, found '='

                 {
                     //we're hit! Spin our character around
                     transform.Rotate(0,tumbleSpeed * Time.deltaTime,0, Space.World);
                     tumbleSpeed = tumbleSpeed-decreaseTime;
                     decreaseTime += decayTime;
             }
     }
 
 function (hit : ControllerColliderHit) //onTriggerEnter : collider 
 {
         if(hit.gameObject.tag == "fallout");
         {
                 dead = true; //the error is on this line, please help!
                 //subtract life here
                 HealthControl.LIVES -= 1;
         }
         
         if(hit.gameObject.tag == "enemyProjectile")
         {
                 gotHit = true;
         }
 }