Update draft-ietf-quic-recovery.md

draft-ietf-quic-recovery.md

@@ -312,7 +312,7 @@ they're too large and excludes those which reference an ack-only packet.
 QUIC diverges from TCP by calculating MaxAckDelay dynamically, instead of
 assuming a constant value for all connections.  It includes this in all probe
 timeouts, because it assume the ack delay may come into play, regardless of
-the number of packets outstanding, where as TCP's TLP assumes if at least 2
+the number of packets outstanding.  TCP's TLP assumes if at least 2
 packets are outstanding, acks will not be delayed.
 
 A PTO value of at least 1.5*SRTT ensures that the ACK is overdue.  The of 1.5