diff --git a/documentation/src/main/java/testing/MyTest.java b/documentation/src/main/java/testing/MyTest.java
index 6f9ee9976b..115a6e3d2e 100644
--- a/documentation/src/main/java/testing/MyTest.java
+++ b/documentation/src/main/java/testing/MyTest.java
@@ -12,6 +12,7 @@
 import io.smallrye.reactive.messaging.memory.InMemorySink;
 import io.smallrye.reactive.messaging.memory.InMemorySource;
 
+// @io.quarkus.test.junit.QuarkusTest or the Junit 5 extension that allows injection in tests
 public class MyTest {
 
     // 1. Switch the channels to the in-memory connector: