diff --git a/core/runtime/src/main/java/io/quarkus/runtime/QuarkusApplication.java b/core/runtime/src/main/java/io/quarkus/runtime/QuarkusApplication.java
index 350685123d513..87d2220eb9851 100644
--- a/core/runtime/src/main/java/io/quarkus/runtime/QuarkusApplication.java
+++ b/core/runtime/src/main/java/io/quarkus/runtime/QuarkusApplication.java
@@ -1,5 +1,9 @@
 package io.quarkus.runtime;
 
+/**
+ * This is usually used for command mode applications with a startup logic. The logic is executed inside
+ * {@link QuarkusApplication#run} method before the main application exits.
+ */
 public interface QuarkusApplication {
 
     int run(String... args) throws Exception;