diff --git a/instrumentation/spring/spring-rmi-4.0/javaagent/src/test/java/springrmi/app/ejb/SpringRmiGreeterRemote.java b/instrumentation/spring/spring-rmi-4.0/javaagent/src/test/java/springrmi/app/ejb/SpringRmiGreeterRemote.java
index 67aae5b3ef91..6e6633ff08dc 100644
--- a/instrumentation/spring/spring-rmi-4.0/javaagent/src/test/java/springrmi/app/ejb/SpringRmiGreeterRemote.java
+++ b/instrumentation/spring/spring-rmi-4.0/javaagent/src/test/java/springrmi/app/ejb/SpringRmiGreeterRemote.java
@@ -9,6 +9,8 @@
 import java.rmi.RemoteException;
 import springrmi.app.SpringRmiGreeter;
 
+// Real EJBs auto-generate a stub class similar to this. As we don't have a way to use the actual
+// auto-generated class, this wrapper is used to emulate it.
 class SpringRmiGreeterRemote implements Remote {
 
   private final SpringRmiGreeter impl;