diff --git a/4a.-JCB-Demo-Component-Directory,-Folders-and-Files.md b/4a.-JCB-Demo-Component-Directory,-Folders-and-Files.md
index 4e17435..c6d19c5 100644
--- a/4a.-JCB-Demo-Component-Directory,-Folders-and-Files.md
+++ b/4a.-JCB-Demo-Component-Directory,-Folders-and-Files.md
@@ -278,9 +278,12 @@ Beneath the directory structure and files presented next you will find a short e
 \components\com_demo\assets\css\site.css  
 \components\com_demo\assets\js\site.js  
 - [Require helper files.](https://api.joomla.org/cms-3/classes/JLoader.html#method_register)  
+\libraries\Joomla\JLoader.php
 \helpers\demo.php  
 \helpers\route.php  
-- [import joomla controller library](https://docs.joomla.org/J2.5:Developing_a_MVC_Component/Basic_backend#Basic_backend) 
+- [Import joomla controller library](https://docs.joomla.org/J2.5:Developing_a_MVC_Component/Basic_backend#Basic_backend) 
+\Import joomla controller library
+\libraries\Joomla\Controllers\controller.php
 
 
 - Include controller and instantiate controller object.