README.md in rails_amp-0.1.9 vs README.md in rails_amp-0.2.0

@@ -250,10 +250,10 @@
 ```
 
 If you want to use the root_url as the canonical url, you should customize the codes.
 
 ```ruby
-<% if controller_name == 'home' && action_name == 'index'  %>
+<% if controller_path == 'home' && action_name == 'index'  %>
   <link rel="canonical" href="<%= root_url %>" />
 <% else %>
   <link rel="canonical" href="<%= rails_amp_canonical_url %>" />
 <% end %>
 ```