fixed an example in url_title with capitalization
diff --git a/user_guide/helpers/url_helper.html b/user_guide/helpers/url_helper.html
index 0467e7a..b7e2aa5 100644
--- a/user_guide/helpers/url_helper.html
+++ b/user_guide/helpers/url_helper.html
@@ -213,7 +213,7 @@
 <br />
 $url_title = url_title($title);<br />
 <br />
-// Produces:  whats-wrong-with-css
+// Produces:  Whats-wrong-with-CSS
 </code>