diff --git a/core-java-modules/core-java-concurrency-advanced-2/README.md b/core-java-modules/core-java-concurrency-advanced-2/README.md
index 583c2e7312..328a0579c7 100644
--- a/core-java-modules/core-java-concurrency-advanced-2/README.md
+++ b/core-java-modules/core-java-concurrency-advanced-2/README.md
@@ -11,3 +11,4 @@
 - [Java CyclicBarrier vs CountDownLatch](https://www.baeldung.com/java-cyclicbarrier-countdownlatch)
 - [Guide to the Fork/Join Framework in Java](https://www.baeldung.com/java-fork-join)
 - [Guide to ThreadLocalRandom in Java](https://www.baeldung.com/java-thread-local-random)
+- [The Thread.join() Method in Java](https://www.baeldung.com/java-thread-join)
diff --git a/core-java-modules/core-java-concurrency-advanced/src/test/java/com/baeldung/thread/join/ThreadJoinUnitTest.java b/core-java-modules/core-java-concurrency-advanced-2/src/test/java/com/baeldung/thread/join/ThreadJoinUnitTest.java
similarity index 100%
rename from core-java-modules/core-java-concurrency-advanced/src/test/java/com/baeldung/thread/join/ThreadJoinUnitTest.java
rename to core-java-modules/core-java-concurrency-advanced-2/src/test/java/com/baeldung/thread/join/ThreadJoinUnitTest.java
diff --git a/core-java-modules/core-java-concurrency-advanced/README.md b/core-java-modules/core-java-concurrency-advanced/README.md
index ab85716907..e2b7c85517 100644
--- a/core-java-modules/core-java-concurrency-advanced/README.md
+++ b/core-java-modules/core-java-concurrency-advanced/README.md
@@ -14,5 +14,4 @@
 - [CyclicBarrier in Java](https://www.baeldung.com/java-cyclic-barrier)
 - [Guide to the Volatile Keyword in Java](https://www.baeldung.com/java-volatile)
 
-- [The Thread.join() Method in Java](https://www.baeldung.com/java-thread-join)
 - [Passing Parameters to Java Threads](https://www.baeldung.com/java-thread-parameters)