diff --git a/draft-ietf-quic-recovery.md b/draft-ietf-quic-recovery.md
index 9fde7f3067..a1b166ae04 100644
--- a/draft-ietf-quic-recovery.md
+++ b/draft-ietf-quic-recovery.md
@@ -255,6 +255,9 @@ largest_sent_before_rto:
 : The last packet number sent prior to the first retransmission
   timeout.
 
+time_of_last_sent_packet:
+: The time the most recent packet was sent.
+
 latest_rtt:
 : The most recent RTT measurement made when receiving an ack for
   a previously unacked packet.
@@ -305,6 +308,7 @@ follows:
    smoothed_rtt = 0
    rttvar = 0
    largest_sent_before_rto = 0
+   time_of_last_sent_packet = 0
 ~~~
 
 ### On Sending a Packet
@@ -327,6 +331,7 @@ Pseudocode for OnPacketSent follows:
 
 ~~~
  OnPacketSent(packet_number, is_retransmittable, sent_bytes):
+   time_of_last_sent_packet = now;
    sent_packets[packet_number].packet_number = packet_number
    sent_packets[packet_number].time = now
    if is_retransmittable: