diff --git a/CHANGELOG.md b/CHANGELOG.md
index 36b514652..8e83a49b2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
 - [nginx_plus](./plugins/inputs/nginx_plus/README.md) - Thanks to @mplonka & @poblahblahblah
 - [opensmtpd](./plugins/inputs/opensmtpd/README.md) - Thanks to @aromeyer
 - [particle](./plugins/inputs/webhooks/particle/README.md) - Thanks to @davidgs
+- [pf](./plugins/inputs/pf/README.md) Thanks to @nferch
 - [postfix](./plugins/inputs/postfix/README.md) - Thanks to @phemmer
 - [smart](./plugins/inputs/smart/README.md) - Thanks to @rickard-von-essen
 - [solr](./plugins/inputs/solr/README.md) - Thanks to @ljagiello
@@ -75,6 +76,7 @@
 - [#3518](https://github.com/influxdata/telegraf/pull/3518): Add slab to mem plugin.
 - [#3519](https://github.com/influxdata/telegraf/pull/3519): Add input plugin for DC/OS.
 - [#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.
 
 ### Bugfixes
 
diff --git a/README.md b/README.md
index 65b101dcb..c2a5fb064 100644
--- a/README.md
+++ b/README.md
@@ -179,12 +179,13 @@ configuration options.
 * [ntpq](./plugins/inputs/ntpq)
 * [openldap](./plugins/inputs/openldap)
 * [opensmtpd](./plugins/inputs/opensmtpd)
+* [pf](./plugins/inputs/pf)
 * [phpfpm](./plugins/inputs/phpfpm)
 * [phusion passenger](./plugins/inputs/passenger)
 * [ping](./plugins/inputs/ping)
 * [postfix](./plugins/inputs/postfix)
-* [postgresql](./plugins/inputs/postgresql)
 * [postgresql_extensible](./plugins/inputs/postgresql_extensible)
+* [postgresql](./plugins/inputs/postgresql)
 * [powerdns](./plugins/inputs/powerdns)
 * [procstat](./plugins/inputs/procstat)
 * [prometheus](./plugins/inputs/prometheus) (can be used for [Caddy server](./plugins/inputs/prometheus/README.md#usage-for-caddy-http-server))