diff --git a/README.md b/README.md
index c116415..67be39b 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,10 @@ Archeage-Skills-Calculator
 A pure php/javascript skill calculator for the game Archeage. Very easy to implement and to use.
 A basic webpage is set up at http://s285114191.onlinehome.fr/AASkillsCalculator/.
 
+The PHP file is used to create the basic setup, the 3 lists, the button and the hidden content. The JS file takes care of every interaction, create the link and also read the - if existed - parameter and display the page accordingly.
+
+Nothing but pure PHP / JS was used because it is not a big project and so you can use it without loading / installing anything else.
+
 ###### What's missing ######
 The XML file is currently filled with false content. The same image and description is used for everything. The XML format is described further.
 
@@ -15,7 +19,7 @@ require_once 'class/AASkillsCalculator.php';
 <link rel="stylesheet" type="text/css" href="css/style_aaSkillsCalculator.css">
 <script type="text/javascript" src="js/aa_skillsCalculator.js"></script>
 ```
-Then you call the **getTree()** method.
+Then you call the **getTree()** method to generate the 3 lists and everything, afterwards the JS file takes care of everything.
 ```php
 echo $AASkillsCalculator->getTree();
 ```