diff --git a/CHANGELOG.md b/CHANGELOG.md
index ad9c0b687de..c98687265f5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,8 @@ ENHANCEMENTS
 * resource/aws_fsx_windows_file_system: Increased maximum `automatic_backup_retention_days` from 35 to 90 [GH-15641]
 * resource/aws_glue_catalog_table: add validation checks for resource properties [GH-12523]
 * resource/aws_network_interface: Add `ipv6_addresses` and `ipv6_address_count` arguments [GH-12281]
+* resource/aws_sagemaker_notebook_instance: `lifecycle_config_name` and `root_access`  are updateable. [GH-15385]
+* resource/aws_sagemaker_notebook_instance: plan time validation for `role_arn`, `instance_type`. [GH-15385]
 
 BUGFIXES