diff --git a/core-java-modules/core-java-string-operations-2/README.md b/core-java-modules/core-java-string-operations-2/README.md
index 50f40ac2af..6e88eda122 100644
--- a/core-java-modules/core-java-string-operations-2/README.md
+++ b/core-java-modules/core-java-string-operations-2/README.md
@@ -8,4 +8,5 @@ This module contains articles about string operations.
 - [String Initialization in Java](https://www.baeldung.com/java-string-initialization)
 - [String toLowerCase and toUpperCase Methods in Java](https://www.baeldung.com/java-string-convert-case)
 - [Java String equalsIgnoreCase()](https://www.baeldung.com/java-string-equalsignorecase)
+- [How to avoid String contains() Case Insensitive in Java](https://www.baeldung.com/how-to-avoid-string-contains-case-insensitive-in-java)
 - More articles: [[<-- prev]](../core-java-string-operations)