diff --git a/core-java-modules/core-java-collections-maps-4/README.md b/core-java-modules/core-java-collections-maps-4/README.md
index a3f40d5ab7..92da12fbf9 100644
--- a/core-java-modules/core-java-collections-maps-4/README.md
+++ b/core-java-modules/core-java-collections-maps-4/README.md
@@ -7,3 +7,4 @@ This module contains articles about Map data structures in Java.
 - [Nested HashMaps Examples in Java](https://www.baeldung.com/java-nested-hashmaps)
 - [Java HashMap With Different Value Types](https://www.baeldung.com/java-hashmap-different-value-types)
 - [Difference Between Map and HashMap in Java](https://www.baeldung.com/java-map-vs-hashmap)
+- [How to Create a New Entry in a Map](https://www.baeldung.com/java-map-new-entry)