[rspec-users] "Plugin not found" after RSpec install

[Eeby]

I tried to install the RSpec Rails plugin as described here:

http://rspec.info/documentation/rails/install.html

After I run this...

ruby script/plugin install http://rspec.rubyforge.org/svn/tags/CURRENT/rspec

At the very end after a lot of output I get this error:

Plugin not found: ["http://rspec.rubyforge.org/svn/tags/CURRENT/
rspec"]

It looks as though it actually was installed because the dir is there
and the output reported scores of items being installed.

Any idea why I get that error?

Thanks,

Ethan