Amend patterns

Author: julianwood

apigw-rest-api-dynamodb-lambda-cdk/example-pattern.json

@@ -1,6 +1,6 @@
 {
     "title": "Amazon API Gateway to Amazon DynamoDB which streams event to AWS Lambda",
-    "description": "Create a REST API Gateway which performs PutRecords API to save to DynamoDB and the stream is consumed by a Lambda function",
+    "description": "API Gateway to DynamoDB to Lambda function using streams.",
     "language": "Python",
     "level": "300",
     "framework": "CDK",

lambda-elastic-ip-no-nat-gateway-cdk/README.md

@@ -1,6 +1,6 @@
 # AWS Lambda Elastic IP without NAT Gateway
 
-This project contains a sample AWS Cloud Development Kit (AWS CDK) template for deploying a Lambda function with a public elastic IP that has internet access without the need to provision a NAT gateway.
+This sample project a sample AWS Cloud Development Kit (AWS CDK) template for deploying an AWS Lambda function with a public Elastic IP without provisioning a NAT Gateway. This approach saves costs in a non-production environment.
 
 ## Architecture 
 ![Architecture](assets/Lambda-elastic-ip-no-nat-gateway.svg)