Move and consolidate address validation

draft-ietf-quic-transport.md

@@ -1586,7 +1586,8 @@ either abort the connection or permit it to proceed.
 
 A server can also use a Retry packet to defer the state and processing costs
 of connection establishment.  By giving the client a different connection ID to
-use, the connection might be routed to a different server instance, which have
+use, a server can cause the connection to be routed to a server instance with
+more resources available for new connections.
 additional capacity for new connections.
 
 A flow showing the use of a Retry packet is shown in {{fig-retry}}.