diff --git a/scala-core-collections/README.md b/scala-core-collections/README.md
index 59d3a94d2..ca65111c7 100644
--- a/scala-core-collections/README.md
+++ b/scala-core-collections/README.md
@@ -10,3 +10,4 @@
 - [Map Both Keys and Values of a Scala Map](https://www.baeldung.com/scala/map-keys-values)
 - [Split List by Fixed Number of Elements](https://www.baeldung.com/scala/split-list-by-fixed-number-of-elements)
 - [Merge Two Maps in Scala](https://www.baeldung.com/scala/merge-two-maps)
+- [Different Ways To Iterate Over Collections in Scala](https://www.baeldung.com/scala/collections-iterators)
diff --git a/zio/README.md b/zio/README.md
index b604590c7..fe03f82ee 100644
--- a/zio/README.md
+++ b/zio/README.md
@@ -7,3 +7,4 @@
 - [Testing ZIO Applications Using ZIO Test](https://www.baeldung.com/scala/zio-test)
 - [Repeat and Retry in ZIO](https://www.baeldung.com/scala/zio-repeat-retry)
 - [Introduction to Fibers in ZIO](https://www.baeldung.com/scala/zio-fibers-tutorial)
+- [Error Handling in ZIO](https://www.baeldung.com/scala/zio-error-handling)