diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2edcf6024..87953a439 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,7 @@
 - [#6465](https://github.com/influxdata/telegraf/pull/6465): Add more performance counter metrics to sqlserver input.
 - [#6476](https://github.com/influxdata/telegraf/pull/6476): Add millisecond unix time support to grok parser.
 - [#6473](https://github.com/influxdata/telegraf/pull/6473): Add container id as optional source tag to docker and docker_log input.
+- [#6504](https://github.com/influxdata/telegraf/pull/6504): Add lang parameter to OpenWeathermap input plugin.
 
 ## v1.12.3 [2019-10-07]