However there are couple of minor issues need to be fixed.
1. "under" repeated on second line. Please remove. + if and when <structname>CustomScanState</> is located under + under <structname>LimitState</>; which implies the underlying node is not
2. Typo: dicsussion => discussion Please fix.
Apart from this I see no issues.
Thanks
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Jeevan B Chalke Principal Software Engineer, Product Development EnterpriseDB Corporation The Enterprise PostgreSQL Company