message: docs: release note cleanup for 1.9
  They actually looked pretty good. Go us!
  Risk Level: n/a
  Testing: n/a
  Docs Changes: n/a
  Release Notes: punctuation
diff: @@ -22,10 +22,10 @@ Version history
  * fault: removed integer percentage support.
  * grpc-json: added support for :ref:`ignoring query parameters
  <envoy_api_field_config.filter.http.transcoder.v2.GrpcJsonTranscoder.ignored_query_parameters>`.
  -* health check: Added :ref: 'logging health check failure events <envoy_api_field_core.HealthCheck.always_log_health_check_failures>'.
  +* health check: added :ref:`logging health check failure events <envoy_api_field_core.HealthCheck.always_log_health_check_failures>`.
  * health check: added ability to set :ref:`authority header value
  <envoy_api_field_core.HealthCheck.GrpcHealthCheck.authority>` for gRPC health check.
  -* http: Added HTTP/2 WebSocket proxying via :ref:`extended CONNECT <envoy_api_field_core.Http2ProtocolOptions.allow_connect>`
  +* http: added HTTP/2 WebSocket proxying via :ref:`extended CONNECT <envoy_api_field_core.Http2ProtocolOptions.allow_connect>`.
  * http: added limits to the number and length of header modifications in all fields request_headers_to_add and response_headers_to_add. These limits are very high and should only be used as a last-resort safeguard.
  * http: added support for a :ref:`request timeout <envoy_api_field_config.filter.network.http_connection_manager.v2.HttpConnectionManager.request_timeout>`. The timeout is disabled by default.
  * http: no longer adding whitespace when appending X-Forwarded-For headers. **Warning**: this is not
  @@ -62,7 +62,7 @@ Version history
  * router: added internal :ref:`grpc-retry-on <config_http_filters_router_x-envoy-retry-grpc-on>` policy.
  * router: added :ref:`scheme_redirect <envoy_api_field_route.RedirectAction.scheme_redirect>` and
  :ref:`port_redirect <envoy_api_field_route.RedirectAction.port_redirect>` to define the respective
  - scheme and port rewriting RedirectAction
  + scheme and port rewriting RedirectAction.
  * router: when :ref:`max_grpc_timeout <envoy_api_field_route.RouteAction.max_grpc_timeout>`
  is set, Envoy will now add or update the grpc-timeout header to reflect Envoy's expected timeout.
  * router: per try timeouts now starts when an upstream stream is ready instead of when the request has
  @@ -79,7 +79,7 @@ Version history
  its behaviour within TCP and HTTP implementations.
  * stream: renamed `perRequestState` to `filterState` in `StreamInfo`.
  * stream: added `downstreamDirectRemoteAddress` to `StreamInfo`.
  -* thrift_proxy: introduced thrift rate limiter filter
  +* thrift_proxy: introduced thrift rate limiter filter.
  * tls: added ssl.curves.<curve>, ssl.sigalgs.<sigalg> and ssl.versions.<version> to
  :ref:`listener metrics <config_listener_stats>` to track TLS algorithms and versions in use.
  * tls: added support for :ref:`client-side session resumption <envoy_api_field_auth.UpstreamTlsContext.max_session_keys>`.
  