diff --git a/CHANGELOG.md b/CHANGELOG.md
index dabd488aa..1b4674686 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -78,6 +78,7 @@
 - [#3140](https://github.com/influxdata/telegraf/pull/3140): Add support for glob patterns in net input plugin.
 - [#3405](https://github.com/influxdata/telegraf/pull/3405): Add input plugin for OpenBSD/FreeBSD pf.
 - [#3528](https://github.com/influxdata/telegraf/pull/3528): Add option to amqp output to publish persistent messages.
+- [#3530](https://github.com/influxdata/telegraf/pull/3530): Support I (idle) process state on procfs+Linux.
 
 ### Bugfixes