diff --git a/core-java-modules/core-java-lang-math-4/README.md b/core-java-modules/core-java-lang-math-4/README.md
index 0c28f94821..377c51848d 100644
--- a/core-java-modules/core-java-lang-math-4/README.md
+++ b/core-java-modules/core-java-lang-math-4/README.md
@@ -1,3 +1,4 @@
 =========
 
 ### Relevant articles:
+- [Calculate Percentiles in Java](https://www.baeldung.com/java-compute-percentiles)