diff --git a/draft-ietf-quic-transport.md b/draft-ietf-quic-transport.md
index 553cd9e8ce..cb86f995d7 100644
--- a/draft-ietf-quic-transport.md
+++ b/draft-ietf-quic-transport.md
@@ -2743,10 +2743,11 @@ An endpoint is allowed to drop the packet protection keys when entering the
 closing period ({{draining}}) and send a packet containing a CONNECTION_CLOSE in
 response to any UDP datagram that is received.  However, an endpoint without the
 packet protection keys cannot identify and discard invalid packets.  To avoid
-creating an unwitting amplification attack, such endpoints MUST reduce the
-frequency with which it sends packets containing a CONNECTION_CLOSE frame.  To
-minimize the state that an endpoint maintains for a closing connection,
-endpoints MAY send the exact same packet.
+creating an unwitting amplification attack, such endpoints MUST limit the
+cumulative size of packets containing a CONNECTION_CLOSE frame to 3 times the
+cumulative size of the packets that cause those packets to be sent.  To minimize
+the state that an endpoint maintains for a closing connection, endpoints MAY
+send the exact same packet.
 
 Note: