User guide updated
diff --git a/user_guide/helpers/url_helper.html b/user_guide/helpers/url_helper.html
index 76ec32a..c23c5ac 100644
--- a/user_guide/helpers/url_helper.html
+++ b/user_guide/helpers/url_helper.html
@@ -231,11 +231,11 @@
 </code>
 
 
-<p>The second parameter determines the word delimiter.  By default dashes are used.  Options are:  <dfn>dash</dfn>, or <dfn>underscore</dfn>:</p>
+<p>The second parameter determines the word delimiter.  By default dashes are used.</p>
 
 <code>$title = "What's wrong with CSS?";<br />
 <br />
-$url_title = url_title($title, 'underscore');<br />
+$url_title = url_title($title, '_');<br />
 <br />
 // Produces:  Whats_wrong_with_CSS
 </code>
@@ -244,7 +244,7 @@
 
 <code>$title = "What's wrong with CSS?";<br />
 <br />
-$url_title = url_title($title, 'underscore', TRUE);<br />
+$url_title = url_title($title, '_', TRUE);<br />
 <br />
 // Produces:  whats_wrong_with_css
 </code>