diff --git a/core-java-modules/core-java-concurrency-advanced-4/README.md b/core-java-modules/core-java-concurrency-advanced-4/README.md
index 5b93cec0dd..db856a2cd6 100644
--- a/core-java-modules/core-java-concurrency-advanced-4/README.md
+++ b/core-java-modules/core-java-concurrency-advanced-4/README.md
@@ -2,3 +2,4 @@
 
 - [Binary Semaphore vs Reentrant Lock](https://www.baeldung.com/java-binary-semaphore-vs-reentrant-lock)
 - [Bad Practices With Synchronization](https://www.baeldung.com/java-synchronization-bad-practices)
+- [Start Two Threads at the Exact Same Time in Java](https://www.baeldung.com/java-start-two-threads-at-same-time)