diff --git a/CHANGELOG.md b/CHANGELOG.md
index e670b46d5d66..94b172d9eb49 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ BUG FIXES:
 * data-source/aws_efs_file_system: Fix `Search returned 0 results` errors when there are more than 101 file systems in the configured Region ([#33336](https://github.com/hashicorp/terraform-provider-aws/issues/33336))
 * resource/aws_db_instance_automated_backups_replication: Fix `unexpected state` errors on resource Create ([#33369](https://github.com/hashicorp/terraform-provider-aws/issues/33369))
 * resource/aws_glue_catalog_table: Fix removal of `metadata_location` and `table_type` `parameters` when updating Iceberg tables ([#33374](https://github.com/hashicorp/terraform-provider-aws/issues/33374))
+* resource/aws_service_discovery_instance: Fix validation error "expected to match regular expression" ([#33371](https://github.com/hashicorp/terraform-provider-aws/issues/33371))
 
 ## 5.16.0 (September  8, 2023)