Update changelog

CHANGELOG.md

@@ -14,12 +14,14 @@
 - [#541](https://github.com/influxdata/telegraf/pull/541): Kafka output TLS cert support. Thanks @Ormod!
 - [#551](https://github.com/influxdata/telegraf/pull/551): Statsd UDP read packet size now defaults to 1500 bytes, and is configurable.
 - [#552](https://github.com/influxdata/telegraf/pull/552): Support for collection interval jittering.
+- [#484](https://github.com/influxdata/telegraf/issues/484): Include usage percent with procstat metrics.
 
 ### Bugfixes
 - [#506](https://github.com/influxdata/telegraf/pull/506): Ping input doesn't return response time metric when timeout. Thanks @titilambert!
 - [#508](https://github.com/influxdata/telegraf/pull/508): Fix prometheus cardinality issue with the `net` plugin
 - [#499](https://github.com/influxdata/telegraf/issues/499) & [#502](https://github.com/influxdata/telegraf/issues/502): php fpm unix socket and other fixes, thanks @kureikain!
 - [#543](https://github.com/influxdata/telegraf/issues/543): Statsd Packet size sometimes truncated.
+- [#440](https://github.com/influxdata/telegraf/issues/440): Don't query filtered devices for disk stats.
 
 ## v0.10.0 [2016-01-12]