Update CHANGELOG.md

CHANGELOG.md

@@ -5,8 +5,8 @@ IMPROVEMENTS:
 * agent: Blocking queries on service-specific health and catalog endpoints now return a per-service `X-Consul-Index` improving watch performance on very busy clusters. [[GH-3890](https://github.com/hashicorp/consul/issues/3890)]. **Note this may break blocking clients that relied on undocumented implementation details** as noted in the [upgrade docs](https://github.com/hashicorp/consul/blob/master/website/source/docs/upgrading.html.md#upgrade-from-version-106-to-higher).
 * agent: All endpoints now respond to OPTIONS requests. [[GH-3885](https://github.com/hashicorp/consul/issues/3885)]
 * dns: Introduced a new config param to limit the number of A/AAAA records returned. [[GH-3940](https://github.com/hashicorp/consul/issues/3940)]
-* agent: supported TLS cipher suites updated to include newer options, [[GH-3962](https://github.com/hashicorp/consul/pull/3962)]
-
+* agent: List of supported TLS cipher suites updated to include newer options, [[GH-3962](https://github.com/hashicorp/consul/pull/3962)]
+* server: Updated yamux library to pick up a performance improvement. [[GH-3982](https://github.com/hashicorp/consul/issues/3982)]
 BUG FIXES:
 
 * agent: Fixed an issue where the coordinate update endpoint was not correctly parsing the ACL token. [[GH-3892](https://github.com/hashicorp/consul/issues/3892)]