expanded philsturgeon's bugfix to parse_url() and updated docs and changelog
diff --git a/user_guide/helpers/url_helper.html b/user_guide/helpers/url_helper.html
index dbc5969..96da0c6 100644
--- a/user_guide/helpers/url_helper.html
+++ b/user_guide/helpers/url_helper.html
@@ -236,7 +236,7 @@
</code>
<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>
+<p>This function will add <kbd>http://</kbd> in the event that a scheme is missing from a URL. Pass the URL string to the function like this:</p>
<code>
$url = "example.com";<br /><br />
$url = prep_url($url);</code>