Improve language in repo description

Co-authored-by: Nick <50747025+mcdonnnj@users.noreply.github.com>

README.md

@@ -2,7 +2,7 @@
 
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-This repository contains code to create a Lambda function that can scan a set
+This repository contains the code for a Lambda function that can scan a set
 of AWS accounts and publish files (to an S3 bucket) containing the public IP
 addresses of EC2 instances or Elastic IPs that have been properly tagged.
 Refer to the [Lambda inputs](#lambda-inputs) section below, specifically the