diff --git a/text/0000-custom-model-classes.md b/text/0000-custom-model-classes.md
index 3e133b567d..e6ae91c2b5 100644
--- a/text/0000-custom-model-classes.md
+++ b/text/0000-custom-model-classes.md
@@ -36,9 +36,9 @@ We will need five separate changes:
 - Replacement of few store methods that take DS.Models
 - Deprecate passing DS.Model classes to adapter/serializers/exposing them on Snapshots
 
-## Instantiating custom Records
+## Instantiating and destroying custom Records
 
-First we need to expose a method on the store for instantiating a record, and way for the record to get notified when RecordData values change:
+First we need to expose a method on the store for instantiating a record, a hook to be notified when a record is being destroyed for potential cleanup and a way for the record to get notified when RecordData values change:
 
 ```ts
 interface RecordDataWrapper { // proxies a subset of RD methods and hides the rest
@@ -79,6 +79,8 @@ class Store {
     createRecordArgs: { [key: string]: any }, // args passed in to store.createRecord() and processed by recordData to be set on creation
     recordDataFor: RecordDataFor, 
     notificationManager: NotificationManager): unknown
+    
+  willDestroyRecord(record): void
 }
 ```