diff --git a/draft-ietf-quic-transport.md b/draft-ietf-quic-transport.md
index 2a193f1eab..5805c997d4 100644
--- a/draft-ietf-quic-transport.md
+++ b/draft-ietf-quic-transport.md
@@ -1749,6 +1749,14 @@ values for 0-RTT.  This includes initial_max_data and either
 initial_max_streams_bidi and initial_max_stream_data_bidi_remote, or
 initial_max_streams_uni and initial_max_stream_data_uni.
 
+A server MAY store and recover the previously sent values of the
+max_idle_timout, max_udp_payload_size, and disable_active_migration parameters
+and reject 0-RTT if it selects smaller values. Lowering the values of these
+parameters while also accepting 0-RTT data could degrade the performance of the
+connection. Specifically, lowering the max_udp_payload_size could result in
+dropped packets leading to worse performance compared to rejecting 0-RTT data
+outright.
+
 A server MUST either reject 0-RTT data or abort a handshake if the implied
 values for transport parameters cannot be supported.