changed some-site.com to example.com in example code per http://www.rfc-editor.org/rfc/rfc2606.txt
diff --git a/user_guide/helpers/url_helper.html b/user_guide/helpers/url_helper.html
index 0f60755..08e6f7d 100644
--- a/user_guide/helpers/url_helper.html
+++ b/user_guide/helpers/url_helper.html
@@ -224,7 +224,7 @@
<h3>prep_url()</h3>
<p>This function will add <kbd>http://</kbd> in the event it is missing from a URL. Pass the URL string to the function like this:</p>
<code>
-$url = "www.some-site.com";<br /><br />
+$url = "www.example.com";<br /><br />
$url = prep_url($url);</code>