Changed  doc block options. Fixes #100
diff --git a/system/helpers/url_helper.php b/system/helpers/url_helper.php
index 9f4b852..09d9756 100644
--- a/system/helpers/url_helper.php
+++ b/system/helpers/url_helper.php
@@ -527,7 +527,7 @@
  *
  * @access	public
  * @param	string	the URL
- * @param	string	the method: location or redirect
+ * @param	string	the method: location or refresh
  * @return	string
  */
 if ( ! function_exists('redirect'))