Update README.md

readme updates

README.md

@@ -22,19 +22,19 @@ This sample code is made available under a modified MIT license. See the LICENSE
   - [Amazon DynamoDB](#amazon-dynamodb)
   - [Amazon API Gateway](#amazon-api-gateway)
   - [AWS Lambda](#aws-lambda)
-  - [Amazon ElastiCache for Redis](#amazon-elasticache)
+  - [Amazon ElastiCache for Redis](#amazon-elasticache-for-redis)
   - [Amazon Neptune](#amazon-neptune)
   - [Amazon ElasticSearch](#amazon-elasticsearch)
   - [AWS IAM](#aws-iam)
   - [Amazon Cognito](#amazon-cognito)
-  - [Amazon Cloudfront and Amazon S3](#amazon-cloudfront-s3)
-  - [Amazon Route53 and Amazon VPC](#amazon-route53-vpc)
+  - [Amazon Cloudfront and Amazon S3](#amazon-cloudfront-and-amazon-s3)
+  - [Amazon VPC](#amazon-vpc)
   - [Amazon Cloudwatch](#amazon-cloudwatch)
-  - [AWS CodeCommit, AWS CodePipeline, AWS CodeBuild](#amazon-codecommit-codepipeline-codebuild)
+  - [AWS CodeCommit, AWS CodePipeline, AWS CodeBuild](#aws-codecommit-aws-codepipeline-aws-codebuild)
 - [Considerations for demo purposes](#considerations-for-demo-purposes)
 - [Known limitations](#known-limitations)
-- [Additions, forks, and contributions](#additions-forks-contributions)
-- [Questions and contact](#questions-contact)
+- [Additions, forks, and contributions](#additions-forks-and-contributions)
+- [Questions and contact](#questions-and-contact)