Merge pull request #15 from aws-samples/addComma

adding comma

README.md

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 ![logo](data/MLU_Logo.png)
 ## Machine Learning University: Accelerated Computer Vision Class
 
-This repository contains __slides__, __notebooks__, and __datasets__ for the __Machine Learning University (MLU) Computer Vision__ class. Our mission is to make Machine Learning accessible to everyone. We have courses available across many topics of machine learning and believe knowledge of ML can be a key enabler for success. This class is designed to help you get started with Computer Vision, learn about widely used Machine Learning techniques and apply them to real-world problems.
+This repository contains __slides__, __notebooks__, and __datasets__ for the __Machine Learning University (MLU) Computer Vision__ class. Our mission is to make Machine Learning accessible to everyone. We have courses available across many topics of machine learning and believe knowledge of ML can be a key enabler for success. This class is designed to help you get started with Computer Vision, learn about widely used Machine Learning techniques, and apply them to real-world problems.
 
 ## YouTube
 Watch all Computer Vision class video recordings in this [YouTube playlist](https://www.youtube.com/playlist?list=PL8P_Z6C4GcuU4knhhCouJujFZ2tTqU-Ta) from our [YouTube channel](https://www.youtube.com/channel/UC12LqyqTQYbXatYS9AA7Nuw/playlists).