Update intro.md

Author: noahgift

content/intro.md

@@ -2,7 +2,9 @@
 
 An interactive Jupyter notebook that teaches you the Python geared towards Data Science.  This book is based on a Video by Pearson of the same title.  This book and video was written by <a href="https://noahgift.com/">Noah Gift</a> and <a href="https://www.linkedin.com/in/kennedybehrman/">Kennedy Behrman</a>.
 
-![py4ds](https://learning.oreilly.com/api/v1/videoplaylists/image/800x600/media/book/35/9780135687253/9780135687253-2019-04-02.jpg)
+## Recommended Preparation
+
+Please take the [AWS Certified Cloud Practitioner 2020-Real World & Pragmatic [Udemy Course]](https://www.udemy.com/course/aws-certified-cloud-practitioner-2020-real-world-pragmatic/?referralCode=CAC679A7D08212773428).
 
 ![Pragmatic AI Labs](https://paiml.com/images/logo_with_slogan_white_background.png)