Old plugin points to old docs to explain how to upgrade to new plugin

I was using Ben M.'s tutorial, which includes an older RSpec on Rails
(20080131122909) plugin, and thus reported that it was incompatible with
1.1.4 gem.

It tries to be helpful, and says:

“See http://rspec.rubyforge.org/documentation/rails/install.html for

But, of course, the details aren’t there anymore; they’re over at

Maybe the old URL should redirect?

Jay L.