diff --git a/core-kotlin-2/README.md b/core-kotlin-2/README.md
index 1670ca543c..2c6b205600 100644
--- a/core-kotlin-2/README.md
+++ b/core-kotlin-2/README.md
@@ -6,3 +6,4 @@
 - [String Comparison in Kotlin](https://www.baeldung.com/kotlin-string-comparison)
 - [Kotlin Annotations](https://www.baeldung.com/kotlin-annotations)
 - [Kotlin Scope Functions](https://www.baeldung.com/kotlin-scope-functions)
+- [Creating a Kotlin Range Iterator on a Custom Object](https://www.baeldung.com/kotlin-custom-range-iterator)