diff --git a/CHANGELOG.md b/CHANGELOG.md
index 65a0f95edb1b..ac9177b750fd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ IMPROVEMENTS:
 
   * core: Change set internals for performance improvements [GH-3992]
   * core: Support HTTP basic auth in consul remote state [GH-4166]
+  * core: Improve error message on resource arity mismatch [GH-4244]
   * provider/aws: Add `placement_group` as an option for `aws_autoscaling_group` [GH-3704]
   * provider/aws: Add support for DynamoDB Table StreamSpecifications [GH-4208]
   * provider/aws: Add `name_prefix` to Security Groups [GH-4167]