[ci skip] Update codeigniter.com links to https
diff --git a/application/controllers/Welcome.php b/application/controllers/Welcome.php
index 34535ef..9213c0c 100644
--- a/application/controllers/Welcome.php
+++ b/application/controllers/Welcome.php
@@ -16,7 +16,7 @@
*
* So any other public methods not prefixed with an underscore will
* map to /index.php/welcome/<method_name>
- * @see http://codeigniter.com/user_guide/general/urls.html
+ * @see https://codeigniter.com/user_guide/general/urls.html
*/
public function index()
{