diff --git a/testing-modules/testing/README.md b/testing-modules/testing/README.md
index 3511bb1bb9..2894da3496 100644
--- a/testing-modules/testing/README.md
+++ b/testing-modules/testing/README.md
@@ -17,3 +17,4 @@
 - [Introduction to Jukito](http://www.baeldung.com/jukito)
 - [Custom JUnit 4 Test Runners](http://www.baeldung.com/junit-4-custom-runners)
 - [Guide to JSpec](http://www.baeldung.com/jspec)
+- [Custom Assertions with AssertJ](http://www.baeldung.com/assertj-custom-assertion)