need to load both stylus and stylus/tilt

README.md

@@ -845,7 +845,18 @@ template than for the layout by passing the `:layout_engine` option.
   </tr>
 </table>
 
-Before being able to use Stylus templates, you need to `require 'stylus/tilt'`.
+Before being able to use Stylus templates, you need to load `stylus` and
+`stylus/tilt` first:
+
+``` ruby
+require 'sinatra'
+require 'stylus'
+require 'stylus/tilt'
+
+get '/' do
+  stylus :example
+end
+```
 
 #### Yajl Templates
 

test/stylus_test.rb

@@ -1,6 +1,7 @@
 require File.expand_path('../helper', __FILE__)
 
 begin
+  require 'stylus'
   require 'stylus/tilt'
 
   begin