Update README.md

updated description based on PMM feedback

README.md

@@ -14,4 +14,5 @@ From all data. In real time. At scale.
 
 The heart of the free and open Elastic Stack.
 
-[Elasticsearch](https://www.elastic.co/elasticsearch) is a distributed, RESTful search and analytics engine capable of addressing a growing number of use cases. As the heart of the Elastic Stack, it centrally stores your data for lightning fast search, fine‑tuned relevancy, and powerful analytics that scale with ease.
+[Elasticsearch](https://www.elastic.co/elasticsearch) is a search and analytics engine capable of addressing many use cases including generative AI. As the foundation of Elastic’s open Stack platform, Elasticsearch centrally stores your real-time data to deliver fast, highly relevant search that’s scalable and production-ready with flexible deployment options.
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