    # File lib/compass/app_integration/rails/installer.rb, line 40
            def gem_config_instructions
              if rails3?
                %Q{Add the following to your Gemfile:\n\n    gem "compass", ">= #{Compass::VERSION}"}
              else
                %Q{Add the following to your environment.rb:\n\n    config.gem "compass", :version => ">= #{Compass::VERSION}"}
              end
            end