src/applications/differential/editor/DifferentialRevisionEditEngine.php says ->setDescription(pht('Hold revision as as draft.'))
Replace as as by as a.
./src/applications/differential/xaction/DifferentialRevisionPlanChangesTransaction.php says 'You can not plan changes to this this revision because it has '.
Replace "this this" by "this".
Upstreaming from https://phabricator.wikimedia.org/T312051