Update notes for submitted changes

* [BUGFIX] Fix PHP warning in BackendUtility::lockRecords
Update notes for submitted changes

* [BUGFIX] Fix PHP warning in BackendUtility::lockRecords
Update notes for submitted changes

* [BUGFIX] Fix PHP warning in BackendUtility::lockRecords
Update notes for submitted changes

* [BUGFIX] Fix PHP warning in BackendUtility::lockRecords