Update draft-ietf-quic-recovery.md

Co-Authored-By: ianswett <ianswett@google.com>

draft-ietf-quic-recovery.md

@@ -330,7 +330,7 @@ may be sent, then no alarm should be armed until bytes have been received from
 the client.
 
 Because the server may be blocked until more packets are received, the
-client MUST arm the crypto retransmission alarm even if there is no
+client MUST start the crypto retransmission timer even if there is no
 unacknowledged CRYPTO data.  If the timer expires and the client has no
 CRYPTO data to retransmit and does not have Handshake keys, it SHOULD send
 an Initial packet in a UDP datagram of at least 1200 octets.