diff --git a/patterns-modules/idd/README.md b/patterns-modules/idd/README.md
index 7d843af9ea..22fe277f0b 100644
--- a/patterns-modules/idd/README.md
+++ b/patterns-modules/idd/README.md
@@ -1 +1,2 @@
 ### Relevant Articles:
+- [Introduction to Interface Driven Development (IDD)](https://www.baeldung.com/java-idd)