Update s3-lambda-resizing-python/README.md

Co-authored-by: ellisms <114107920+ellisms@users.noreply.github.com>

Author: seshubaws

s3-lambda-resizing-python/README.md

@@ -1,6 +1,6 @@
 # Resizing images uploaded to Amazon S3 with AWS Lambda 
 
-The SAM template deploys a Lambda function, an S3 bucket and the IAM resources required to run the application. A Lambda function consumes <code>ObjectCreated</code> events from an Amazon S3 bucket. The Lambda code checks the uploaded file is an image and creates a thumbnail version of the image in the same bucket.
+The SAM template deploys an AWS Lambda function, an Amazon S3 bucket, and the IAM resources required to run the application. A Lambda function consumes <code>ObjectCreated</code> events from an Amazon S3 bucket. The Lambda code checks if the uploaded file is an image and then creates a thumbnail version of the image in the same bucket.
 
 Important: this application uses various AWS services and there are costs associated with these services after the Free Tier usage - please see the [AWS Pricing page](https://aws.amazon.com/pricing/) for details. You are responsible for any AWS costs incurred. No warranty is implied in this example.