not because it was vital background reading in order to understand this post.

*nod*

I just thought that having a brief note next to the link would have saved me from clicking on the link only to be greeted with a friendly "Forbidden"; it would have been easier to see at a glance that it is what you described it as (something you could find later on; something that those who could see it would know which entry you meant; but not something that's vital to the understanding).