To see this visually, you can go http://edgeapi.rubyonrails.org/ and search for `ActiveModel::AttributeMethods`. You'll see that, on the page, `Model` is linked in the title, which is unnecessary (and wrong, anyway). Adding these slashes is supposed to fix it. (You can verify by generating the docs locally, by running `rake rdoc` and checking the output at `doc/rdoc/index.html`.)

A curiosity search on edgeapi shows that this is a problem for some other classes as well, such as `ActiveModel::Conversion`. If you have time to hunt those down as well it would be really awesome :grin: