diff --git a/CHANGELOG.md b/CHANGELOG.md
index 804900018..44b62a329 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -53,6 +53,7 @@
 - [#6610](https://github.com/influxdata/telegraf/pull/6610): Add missing character replacement to sql_instance tag.
 - [#6337](https://github.com/influxdata/telegraf/issues/6337): Change no metric error message to debug level in cloudwatch input.
 - [#6602](https://github.com/influxdata/telegraf/issues/6602): Add missing ServerProperties query to sqlserver input docs.
+- [#6643](https://github.com/influxdata/telegraf/pull/6643): Fix mongodb connections_total_created field loading.
 
 ## v1.12.4 [2019-10-23]