diff --git a/spring-data-mongodb/README.md b/spring-data-mongodb/README.md
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--- a/spring-data-mongodb/README.md
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@@ -5,3 +5,4 @@
 
 ### Relevant Articles: 
 - [A Guide to Queries in Spring Data MongoDB](http://www.baeldung.com/queries-in-spring-data-mongodb)
+- [Spring Data MongoDB – Indexes, Annotations and Converters](http://www.baeldung.com/spring-data-mongodb-index-annotations-converter)