diff --git a/core-java-modules/core-java-streams-4/README.md b/core-java-modules/core-java-streams-4/README.md
index c6717ec5fe..4175fb1f70 100644
--- a/core-java-modules/core-java-streams-4/README.md
+++ b/core-java-modules/core-java-streams-4/README.md
@@ -10,3 +10,4 @@
 - [Understanding the Difference Between Stream.of() and IntStream.range()](https://www.baeldung.com/java-stream-of-and-intstream-range)
 - [Check if Object Is an Array in Java](https://www.baeldung.com/java-check-if-object-is-an-array)
 - [Mapping an Array of Integers to Strings Using Java Streams](https://www.baeldung.com/java-stream-integer-array-to-strings)
+- [Difference Between parallelStream() and stream().parallel() in Java](https://www.baeldung.com/java-parallelstream-vs-stream-parallel)