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 # Shadow APM
-Shadow APM is the a request simulator for a microservice architecture. It stores all of the request signature in a database(MongoDB), which can be simulated later. Elastic APM agent is need to be integrated and hence configured to capture the request body.
+Shadow APM is the a request simulator for a microservice architecture. It stores all of the request signature in a database(MongoDB), which can be simulated later. Elastic APM agent is needed to be integrated and hence configured to capture the request body.
 This project is compatible with all of the [APM Agents by Elastic](https://www.elastic.co/guide/en/apm/agent/index.html).
 Shadow APM can run individually or alongside [APM Server by Elastic](https://github.com/elastic/apm-server) by shadowing the traffic using tools like  [GoReplay](https://github.com/buger/goreplay) or [GoDuplicator](https://github.com/mkevac/goduplicator).