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README.md

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-# learn-json-schema
-Learning how to use JSON schemas for requests and responses with API Gateway
+# Learn JSON Schemas
+Learning how to use JSON schemas for requests and responses with API Gateway.
+
+In this lab we use AJV as our JSON validator to confirm the requests and reponses to API Gateway, using a nodejs Lambda function.  JSON schema validations can be used for lot of other situations when application data needs to be validated against a predefined schema.
+
+## Links:
+[AJV on NPM](https://www.npmjs.com/package/ajv)
+[JSON Schema](http://json-schema.org)