diff --git a/action/ActionHelper.h b/action/ActionHelper.h
index 3d8351d6..eb3bfa54 100644
--- a/action/ActionHelper.h
+++ b/action/ActionHelper.h
@@ -35,7 +35,7 @@ public:
 	ReturnValue_t handleActionMessage(CommandMessage* command);
 	/**
 	 * Helper initialize function. Must be called before use of any other helper function
-	 * @param queueToUse_ Pointer to the messageQueue to be used
+	 * @param queueToUse_ Pointer to the messageQueue to be used, optional if queue was set in constructor
 	 * @return Returns RETURN_OK if successful
 	 */
 	ReturnValue_t initialize(MessageQueueIF* queueToUse_ = nullptr);