diff --git a/extensions/arc/runtime/src/main/java/io/quarkus/arc/lookup/LookupIfProperty.java b/extensions/arc/runtime/src/main/java/io/quarkus/arc/lookup/LookupIfProperty.java
index 6e86cc5bf12d5..a7de40972f6e8 100644
--- a/extensions/arc/runtime/src/main/java/io/quarkus/arc/lookup/LookupIfProperty.java
+++ b/extensions/arc/runtime/src/main/java/io/quarkus/arc/lookup/LookupIfProperty.java
@@ -30,7 +30,7 @@
  *  }
  *
  *  {@literal @ApplicationScoped}
- *  class ServiceBar {
+ *  class ServiceBar implements Service {
  *
  *     public String name() {
  *        return "bar";