diff --git a/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/model/metadata/MetaDataProducerOutput.java b/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/model/metadata/MetaDataProducerOutput.java
index 09310523..74504e72 100644
--- a/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/model/metadata/MetaDataProducerOutput.java
+++ b/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/model/metadata/MetaDataProducerOutput.java
@@ -31,5 +31,10 @@ package com.kingsrook.qqq.backend.core.model.metadata;
  *******************************************************************************/
 public interface MetaDataProducerOutput
 {
+
+   /*******************************************************************************
+    ** call the appropriate methods on a QInstance to add ourselves to it.
+    *******************************************************************************/
    void addSelfToInstance(QInstance instance);
+
 }