add to docs to suggest people add styles to their layout to see them …

…on the guide

README.textile

@@ -14,7 +14,7 @@ $ ruby script/plugin install -f git@github.com:thoughtbot/flutie.git -r rails2
 
 The installer will copy the Flutie stylesheets into public/flutie/stylesheets
 
-Once Flutie is installed, with your application running (not in production environment) you can browse to /styleguide.  This will present you with many standard markup elements that are present in a Rails application, in your default application layout.
+Once Flutie is installed, with your application running (not in production environment) you can browse to /styleguide.  This will present you with many standard markup elements that are present in a Rails application, in your default application layout.  Be sure to add the :flutie symbol (see below 'Usage') to your layout first.
 
 Click on the "Default styles" link to view the same markup with a barebones layout that only contains the Flutie stylesheets. Click on "Application styles" to view the markup in your application layout.