rspec-core provides the structure for RSpec code examples:

    describe Account do
      it "has a balance of zero when first opened" do
        # example code goes here - for more on the 
        # code inside the examples, see rspec-expectations 
        # and rspec-mocks
      end
    end

## Issues

This documentation is [open
source](https://github.com/rspec/rspec-core/tree/master/features), and a work
in progress.  If you find it incomplete or confusing, please [submit an
issue](http://github.com/rspec/rspec-core/issues), or, better yet, [a pull
request](http://github.com/rspec/rspec-core).