fix comment

Author: efd6

packages/aws/data_stream/cloudtrail/elasticsearch/ingest_pipeline/default.yml

@@ -906,7 +906,7 @@ processors:
  - script:
  description: >
  Set values in aws.cloudtrail.request_parameters, aws.cloudtrail.response_elements, and
- aws.cloudtrail.additional_eventdata. If _conf.drop_flattened_duplicates is false, also
+ aws.cloudtrail.additional_eventdata. If _conf.keep_flattened_duplicates is true, also
  copy into aws.cloudtrail.flattened. Since aws.cloudtrail.flattened is optionally present,
  is MUST NEVER be used as an RHS in any processor.
  Assignments of json.requestParameters, json.responseElements, json.additionalEventData