diff --git a/core-java-modules/core-java-concurrency-collections-2/README.md b/core-java-modules/core-java-concurrency-collections-2/README.md
index 692c218395..c812ed4284 100644
--- a/core-java-modules/core-java-concurrency-collections-2/README.md
+++ b/core-java-modules/core-java-concurrency-collections-2/README.md
@@ -3,4 +3,5 @@
 - [Introduction to Lock Striping](https://www.baeldung.com/java-lock-stripping)
 - [Guide to the Java TransferQueue](http://www.baeldung.com/java-transfer-queue)
 - [Java Concurrent HashSet Equivalent to ConcurrentHashMap](https://www.baeldung.com/java-concurrent-hashset-concurrenthashmap)
+- [Reading and Writing With a ConcurrentHashMap](https://www.baeldung.com/concurrenthashmap-reading-and-writing)
 - [[<-- Prev]](/core-java-modules/core-java-concurrency-collections)