diff --git a/core-java-modules/core-java-lang-4/README.md b/core-java-modules/core-java-lang-4/README.md
index ff00688772..77d14f0fc8 100644
--- a/core-java-modules/core-java-lang-4/README.md
+++ b/core-java-modules/core-java-lang-4/README.md
@@ -2,4 +2,4 @@
 
 This module contains articles about core features in the Java language
 
-- TODO
+- [The Java final Keyword – Impact on Performance](https://www.baeldung.com/java-final-performance)