diff --git a/README.md b/README.md
index b06300d..0494aa4 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ A curated list of Microservice Architecture related principles and technologies.
 
 - [Dropwizard](https://dropwizard.github.io/) - Java framework for developing ops-friendly, high-performance, RESTful web services.
 - [Finagle](http://twitter.github.io/finagle) - Extensible RPC system for the JVM, used to construct high-concurrency servers.
-- [Jersey](https://jersey.java.net/) - RESTful Web Services in Java.
+- [Jersey](https://jersey.java.net/) - RESTful Web Services in Java. JAX-RS (JSR 311 & JSR 339) Reference Implementation.
 - [Ratpack](http://ratpack.io/) - Set of Java libraries that facilitate fast, efficient, evolvable and well tested HTTP applications. Specific support for the Groovy language is provided.
 - [Spring Boot](http://projects.spring.io/spring-boot/) - Makes it easy to create stand-alone, production-grade Spring based Applications that you can "just run".