Update README.md

5-Data-Science-In-Cloud/README.md

@@ -1,11 +1,11 @@
 # Data Science in the Cloud
 
-[Brief description about the lessons in this section]
+Now we will see why and how you can use Cloud services for Data Science.
 
 ### Topics
 
-1. [Lesson 1](21-tbd/README.md)
-1. [Lesson 2](22-tbd/README.md)
-1. [Lesson 3](23-tbd/README.md)
+1. [Why do Data Science in the Cloud?](21-tbd/README.md)
+2. [Optimizing a Data Science Pipeline in Azure](22-tbd/README.md)
+3. [Machine Learning Operations in the Cloud (MLOps)](23-tbd/README.md)
 
 ### Credits