diff --git a/.changelog/19753.txt b/.changelog/19753.txt
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+```release-note:enhancement
+resource/aws_datasync_location_smb: Add support for updating.
+```
+
+```release-note:enhancement
+resource/aws_datasync_location_smb: Add plan time validation for `domain`, `agent_arns`, `password`, `server_hostname`, `subdirectory`, and `user`.
+```
\ No newline at end of file