Update draft-ietf-quic-recovery.md

Co-Authored-By: ianswett <ianswett@users.noreply.github.com>

draft-ietf-quic-recovery.md

@@ -471,7 +471,7 @@ During the handshake, some packet protection keys might not be
 available when a packet arrives. In particular, Handshake and 0-RTT packets
 cannot be processed until the Initial packets arrive, and 1-RTT packets
 can't be processed until the handshake completes.  Endpoints MAY
-ignore the loss of Handshake, 0-RTT, and 1-RTT packets that arrive before the
+ignore the loss of Handshake, 0-RTT, and 1-RTT packets that might arrive before the
 peer has packet protection keys to process those packets.
 
 ### Probe Timeout {#pto}