Timestamps are packet receive times

Yes, they are encoded as deltas, but that's just details.

Author: martinthomson

draft-ietf-quic-transport.md

@@ -995,8 +995,8 @@ The fields in the Ack Block Section are:
 ### Timestamp Section {#timestamp-section}
 
 The Timestamp Section contains between zero and 255 measurements of packet
-delay. This information can be used by a sender to better estimate the RTT of
-the connection.
+receive times. This information can be used by a sender to better estimate the
+RTT of the connection.
 
 ~~~
  0                   1                   2                   3