diff --git a/core-java-modules/core-java-string-operations-7/README.md b/core-java-modules/core-java-string-operations-7/README.md
index 6c4fab384b..28e2dccd39 100644
--- a/core-java-modules/core-java-string-operations-7/README.md
+++ b/core-java-modules/core-java-string-operations-7/README.md
@@ -2,3 +2,4 @@
 ### Relevant Articles:
 - [How to Center Text Output in Java](https://www.baeldung.com/java-center-text-output)
 - [Capitalize the First Letter of Each Word in a String](https://www.baeldung.com/java-string-initial-capital-letter-every-word)
+- [Check if a String Contains Only Unicode Letters](https://www.baeldung.com/java-string-all-unicode-characters)