Update README.md

Author: benalta

README.md

@@ -203,7 +203,7 @@ Please [send a Pull Request](https://github.com/awslabs/aws-data-wrangler/edit/m
 - [Thinkbumblebee](https://www.thinkbumblebee.com/) [[@dheerajsharma21]](https://github.com/dheerajsharma21)
 - [Zillow](https://www.zillow.com/) [[@nicholas-miles]](https://github.com/nicholas-miles)
 
-## Amazon SageMaker Data Wrangler?
+## What is Amazon SageMaker Data Wrangler?
 
 **Amazon SageMaker Data Wrangler** is a new SageMaker Studio feature that has a similar name but has a different purpose than the **AWS Data Wrangler** open source project.