Update README.md

Author: learning-zone

3-col-portfolio/README.md

@@ -1,5 +1,5 @@
 ## Project Description
 
-* [live example](index.html)
+* [live example](https://learning-zone.github.io/bootstrap-css-interview-questions/3-col-portfolio)
 
 ![alt text](https://github.com/learning-zone/Bootstrap-CSS/blob/master/assets/3-col-portfolio.png "3-col-portfolio.png")