diff --git a/core-java-modules/core-java-string-apis-2/README.md b/core-java-modules/core-java-string-apis-2/README.md
index 5476e91169..d1ec0d8388 100644
--- a/core-java-modules/core-java-string-apis-2/README.md
+++ b/core-java-modules/core-java-string-apis-2/README.md
@@ -4,3 +4,4 @@ This module contains articles about string APIs.
 
 ### Relevant Articles:
 - [Retain Only Digits and Decimal Separator in String](https://www.baeldung.com/java-string-retain-digits-decimal)
+- [Difference Between null and Empty String in Java](https://www.baeldung.com/java-string-null-vs-empty)