diff --git a/draft-ietf-moq-transport.md b/draft-ietf-moq-transport.md
index 6fe20583..f1a3f974 100644
--- a/draft-ietf-moq-transport.md
+++ b/draft-ietf-moq-transport.md
@@ -1028,6 +1028,13 @@ Subscription Filter {
 
 Filter Type can have one of the following values:
 
+Largest Group (0x0): The filter Start Location is `{Largest Object.Group, 0}`
+and `Largest Object` is communicated in SUBSCRIBE_OK. If no content has been
+delivered yet, the filter Start Location is {0, 0}. There is no End Group -
+the subscription is open ended. Note that Objects before or equal to
+'Largest Object' will only be delivered if they arrive at the Publisher after
+the Subscription is created.
+
 Largest Object (0x2): The filter Start Location is `{Largest Object.Group,
 Largest Object.Object + 1}` and `Largest Object` is communicated in
 SUBSCRIBE_OK. If no content has been delivered yet, the filter Start Location is