I doubt there's anything you can do about it besides removing the link but unfortunately the link on the game loop chapter about Unity's game loop architecture is dead: http://www.richardfine.co.uk/2012/10/unity3d-monobehaviour-lifecycle/
Fortunately, it seems that archive.org has a copy!
https://web.archive.org/web/20140808185645/http://www.richardfine.co.uk/2012/10/unity3d-monobehaviour-lifecycle/