Update draft-ietf-quic-recovery.md

Author: ianswett

draft-ietf-quic-recovery.md

@@ -232,7 +232,7 @@ congestion-controlled packet triggers the Early Retransmit process, as follows.
 If there are unacknowledged congestion-controlled packets still pending, they should
 be marked as lost. To compensate for the reduced reordering resilience, the sender
 SHOULD set an alarm for a small period of time. If the unacknowledged
-congstion-controlled packets are not acknowledged during this time, then these
+congestion-controlled packets are not acknowledged during this time, then these
 packets MUST be marked as lost.
 
 An endpoint SHOULD set the alarm such that a packet is marked as lost no earlier