Updated readme

Author: PixelsCommander

README.md

@@ -41,7 +41,7 @@ Demos
 
 - [Basic HTML GL](http://pixelscommander.com/polygon/htmlgl/demo/basic-webgl.html) demo shows how to use HTML GL and animate GL Elements. It also demonstrate that HTML GL handle content change events and repaints element`s WebGL representation
 - [Basic DOM](http://pixelscommander.com/polygon/htmlgl/demo/basic-dom.html) this is the same project as previous. The only difference is that htmlgl.js is not included
-- [Advanced content HTML GL](http://pixelscommander.com/polygon/htmlgl/demo/advanced-content-webgl.html) slider with nested content rendered via WebGL and animated, ability to move with mouse horizontaly
+- [Advanced content HTML GL](http://pixelscommander.com/polygon/htmlgl/demo/advanced-content-webgl.html) slider with nested content rendered via WebGL and animated, ability to drag with mouse horizontaly, click event listeners on boxes
 - [Advanced content DOM](http://pixelscommander.com/polygon/htmlgl/demo/advanced-content-dom.html)
 
 How to use?