Update changelog

CHANGELOG.md

@@ -12,12 +12,13 @@
 - [#2487](https://github.com/influxdata/telegraf/pull/2487): Add Kafka 0.9+ consumer support
 - [#2773](https://github.com/influxdata/telegraf/pull/2773): Add support for self-signed certs to InfluxDB input plugin
 - [#2581](https://github.com/influxdata/telegraf/pull/2581): Add Docker container environment variables as tags. Only whitelisted
-- [#2817](https://github.com/influxdata/telegraf/pull/2817): Added timeout option to IPMI sensor plugin
+- [#2817](https://github.com/influxdata/telegraf/pull/2817): Add timeout option to IPMI sensor plugin
 - [#2883](https://github.com/influxdata/telegraf/pull/2883): Add support for an optional SSL/TLS configuration to nginx input plugin
 - [#2882](https://github.com/influxdata/telegraf/pull/2882): Add timezone support for logparser timestamps.
 - [#2814](https://github.com/influxdata/telegraf/pull/2814): Add result_type field for http_response input.
 - [#2734](https://github.com/influxdata/telegraf/pull/2734): Add include/exclude filters for docker containers.
 - [#2602](https://github.com/influxdata/telegraf/pull/2602): Add secure connection support to graphite output.
+- [#2908](https://github.com/influxdata/telegraf/pull/2908): Add min/max response time on linux/darwin to ping.
 
 ### Bugfixes