diff --git a/core-kotlin-2/README.md b/core-kotlin-2/README.md
index ff12555376..6aabd71a6c 100644
--- a/core-kotlin-2/README.md
+++ b/core-kotlin-2/README.md
@@ -1 +1,3 @@
 ## Relevant articles:
+
+- [Void Type in Kotlin](https://www.baeldung.com/kotlin-void-type)