diff --git a/CHANGELOG.md b/CHANGELOG.md
index a76fa1417d..e2a2ed51d3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ FEATURES:
 
 
 IMPROVEMENTS:
+ * config: The interpolation function `cidrhost` now accepts a negative host number to count backwards from the end of the range [GH-13765]
  * state/remote/swift: Support Openstack request logging [GH-13583]
  * provider/aws: Add an option to skip getting the supported EC2 platforms [GH-13672]
  * provider/aws: Add `name_prefix` support to `aws_cloudwatch_log_group` [GH-13273]