expanded philsturgeon's bugfix to parse_url() and updated docs and changelog
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 45c6982..21e1bf1 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -114,6 +114,7 @@
 			<li>Modified <kbd>delete_files()</kbd> in the <a href="helpers/file_helper.html">File Helper</a> to return FALSE on failure.</li> 
 			<li>Added an optional second parameter to <kbd>byte_format()</kbd> in the <a href="helpers/number_helper.html">Number Helper</a> to allow for decimal precision.</li>
 			<li>Added alpha, and sha1 string types to <kbd>random_string()</kbd> in the <a href="helpers/string_helper.html">String Helper</a>.</li>
+			<li>Modified <kbd>prep_url()</kbd> so as to not prepend http:// if the supplied string already has a scheme.</li>
 		</ul>
 	</li>
 	<li>Other Changes
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>