diff --git a/CHANGELOG.md b/CHANGELOG.md
index f88318661..8f8b55b9a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,7 +13,8 @@
 #### Bugfixes
 
 - [#6788](https://github.com/influxdata/telegraf/issues/6788): Fix ServerProperty query stops working on Azure after failover.
-- [#6803](https://github.com/influxdata/telegraf/pull/6803): Add leading period to OID in SNMP v1 generic traps
+- [#6803](https://github.com/influxdata/telegraf/pull/6803): Add leading period to OID in SNMP v1 generic traps.
+- [#6823](https://github.com/influxdata/telegraf/pull/6823): Fix missing config fields in prometheus serializer.
 
 ## v1.13 [2019-12-12]