diff --git a/core-java-modules/core-java-string-algorithms-4/README.md b/core-java-modules/core-java-string-algorithms-4/README.md
index 864ef860cf..2783467d75 100644
--- a/core-java-modules/core-java-string-algorithms-4/README.md
+++ b/core-java-modules/core-java-string-algorithms-4/README.md
@@ -6,3 +6,4 @@ This module contains articles about string-related algorithms.
 - [Rotating a Java String By n Characters](https://www.baeldung.com/java-rotate-string-by-n-characters)
 - [Remove Characters From a String That Are in the Other String](https://www.baeldung.com/java-strings-character-difference)
 - [Run-Length Encoding and Decoding in Java](https://www.baeldung.com/java-rle-compression)
+- [Check if a String Is Equal to Its Mirror Reflection](https://www.baeldung.com/java-string-mirror-image-test)