Made the statements about exclude_delete: false slightly more accurate

docs/content/develop/resource-reference.md

@@ -206,7 +206,7 @@ delete_verb: 'POST'
 ```
 
 ### `exclude_delete`
-If true, deleting the resource will only remove it from the Terraform state and will not call an API. If false, deleting the resource will call the [`delete_url`]({{< ref "#delete_url" >}}) using the HTTP [`delete_verb`]({{< ref "#delete_verb" >}}).
+If true, deleting the resource will only remove it from the Terraform state and will not call an API. If false, deleting the resource will run the standard deletion behavior and/or any [custom code]({{< ref "/develop/custom-code" >}}) related to deletion.
 This should be used if the resource can never be deleted in the API, and there is no other reasonable action to take on deletion. See [Deletion behaviors]({{< ref "/best-practices/deletion-behaviors" >}}) for more information.
 
 ```yaml