diff --git a/core-java-modules/core-java-concurrency-2/README.md b/core-java-modules/core-java-concurrency-2/README.md
index 23471a237e..c52f17a07b 100644
--- a/core-java-modules/core-java-concurrency-2/README.md
+++ b/core-java-modules/core-java-concurrency-2/README.md
@@ -5,4 +5,4 @@
 ### Relevant Articles: 
 - [Using a Mutex Object in Java](https://www.baeldung.com/java-mutex)
 - [Testing Multi-Threaded Code in Java](https://www.baeldung.com/java-testing-multithreaded)
-
+- [How to Check if All Runnables Are Done](https://www.baeldung.com/java-runnables-check-status)