Update draft-ietf-quic-transport.md

Co-authored-by: Jana Iyengar <jri.ietf@gmail.com>

draft-ietf-quic-transport.md

@@ -1943,10 +1943,10 @@ the client during connection establishment with a Retry packet (see
 {{validate-retry}}) or in a previous connection using the NEW_TOKEN frame (see
 {{validate-future}}).
 
-Until the path is validated, a server SHOULD pad all packets it sends, other
-than Retry, so that their UDP payload size will be at least 1200 bytes.
-Doing so guarantees that the handshake would make progress only when the path is
-capable of handling QUIC traffic; see {{packet-size}}.
+Until the client address is validated, a server SHOULD ensure that all
+packets it sends, with the exception of Retry packets, have a UDP payload
+size of at least 1200 bytes. Doing so ensures that the handshake progresses
+only if the path is capable of handling QUIC traffic; see {{packet-size}}.
 
 In addition to sending limits imposed prior to address validation, servers are
 also constrained in what they can send by the limits set by the congestion