diff --git a/core-java-modules/core-java-collections-maps-8/README.md b/core-java-modules/core-java-collections-maps-8/README.md
index 0dd8c780d6..f3dcc6b8bb 100644
--- a/core-java-modules/core-java-collections-maps-8/README.md
+++ b/core-java-modules/core-java-collections-maps-8/README.md
@@ -1 +1,2 @@
-## Relevant Articles:
\ No newline at end of file
+### Relevant Articles:
+- [Find Map Keys with Duplicate Values in Java](https://www.baeldung.com/java-map-find-keys-repeated-values)