It's there but hidden. It's a problem with the forum software that has been looked into but can't easily be fixed.
To see it either hit "reply" and you'll see it or click on the "print" button, Again you will be able to see it and you can cut and past it into the address bar on your browser.
www.youtube .com/watch?v=Xp5mYBX6ziM
I have cut and paste it above and put in some spaces to make it visible.
Roger