diff --git a/core-java-modules/core-java-io-5/README.md b/core-java-modules/core-java-io-5/README.md
index 6072e0b6d9..9fb4b967a4 100644
--- a/core-java-modules/core-java-io-5/README.md
+++ b/core-java-modules/core-java-io-5/README.md
@@ -3,6 +3,6 @@
 This module contains articles about core Java input and output (IO)
 
 ### Relevant Articles: 
-
+- [Get File Extension From MIME Type in Java](https://www.baeldung.com/java-mime-type-file-extension)
 - [[<-- Prev]](/core-java-modules/core-java-io-4)