From 57a59c457a75ae9ace20e7cf9032eb77a0690978 Mon Sep 17 00:00:00 2001
From: edizor <113095366+edizor@users.noreply.github.com>
Date: Thu, 15 Jun 2023 23:14:25 +0800
Subject: [PATCH] Update README.md

[skip ci]
---
 persistence-modules/spring-data-elasticsearch/README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/persistence-modules/spring-data-elasticsearch/README.md b/persistence-modules/spring-data-elasticsearch/README.md
index 22126c2f00..dfa581a59a 100644
--- a/persistence-modules/spring-data-elasticsearch/README.md
+++ b/persistence-modules/spring-data-elasticsearch/README.md
@@ -6,6 +6,7 @@
 - [Guide to Elasticsearch in Java](https://www.baeldung.com/elasticsearch-java)
 - [Geospatial Support in ElasticSearch](https://www.baeldung.com/elasticsearch-geo-spatial)
 - [A Simple Tagging Implementation with Elasticsearch](https://www.baeldung.com/elasticsearch-tagging)
+- [What Is Elasticsearch?](https://www.baeldung.com/java-elasticsearch)
 
 ### Build the Project with Tests Running
 ```