Merge pull request #1975 from cyberstormdotmu/master

Mention CUBIC as an example of an alternative congestion control mechanism

draft-ietf-quic-recovery.md

@@ -958,7 +958,7 @@ packet is a probe packet sent after the TLP or RTO timer expires, as described
 in {{tlp}} and {{rto}}.
 
 Implementations MAY use other congestion control algorithms, and endpoints MAY
-use different algorithms from one another. The signals QUIC provides for
+use other algorithms, such as Cubic {{?RFC8312}}. The signals QUIC provides for
 congestion control are generic and are designed to support different algorithms.
 
 ## Explicit Congestion Notification {#congestion-ecn}