diff --git a/app/imports/api/parenting/ChildSchema.js b/app/imports/api/parenting/ChildSchema.js
index f4787bcc..c09a1fa7 100644
--- a/app/imports/api/parenting/ChildSchema.js
+++ b/app/imports/api/parenting/ChildSchema.js
@@ -26,6 +26,7 @@ let ChildSchema = new SimpleSchema({
     type: RefSchema,
     optional: true,
   },
+  // Change this from ancestor list to left and right indices
   ancestors: {
     type: Array,
     defaultValue: [],