readme

Author: mwunderl

README.md

@@ -10,10 +10,10 @@ The `master` branch shows the use of Spring, Angular, nginx, the [AWS SDK for Ja
 Other branches extend the application's functionality and show the use of other AWS services. See the readme in each branch for details about the integration and instructions for use.
 
 **Branches**
-- [`cognito`](https://github.com/awslabs/eb-java-scorekeep/tree/cognito) - Support login and store users in an [Amazon Cognito](http://aws.amazon.com/cognito) user pool.
+- [`cognito`](https://github.com/awslabs/eb-java-scorekeep/tree/cognito) - Support login and store users in an [Amazon Cognito](http://aws.amazon.com/cognito) user pool. Get AWS SDK credentials and make service calls with a Cognito Identity Pool.
 - [`lambda`](https://github.com/awslabs/eb-java-scorekeep/tree/lambda) - Call an [AWS Lambda](http://aws.amazon.com/lambda) function to generate random names.
 - [`sql`](https://github.com/awslabs/eb-java-scorekeep/tree/sql) - Use JDBC to store game histories in an attached PostgreSQL database instance.
-- [`xray`](https://github.com/awslabs/eb-java-scorekeep/tree/xray) - Use the [AWS X-Ray SDK for Java](http://docs.aws.amazon.com/xray-sdk-for-java/latest/javadoc/) to instrument incoming requests, SDK clients, SQL queries, HTTP clients, and sections of code.
+- [`xray`](https://github.com/awslabs/eb-java-scorekeep/tree/xray) - Use the [AWS X-Ray SDK for Java](http://docs.aws.amazon.com/xray-sdk-for-java/latest/javadoc/) to instrument incoming requests, functions, SDK clients, SQL queries, HTTP clients, startup code, and AWS Lambda functions.
 - [`xray-gettingstarted`](https://github.com/awslabs/eb-java-scorekeep/tree/xray-gettingstarted) ([tutorial](https://docs.aws.amazon.com/xray/latest/devguide/xray-gettingstarted.html)) - Use the AWS X-Ray SDK for Java to instrument incoming requests and SDK clients (no additional configuration required).
 
 Use the procedures in the following sections to run the project on Elastic Beanstalk and configure it for local testing and development.