diff --git a/src/applications/differential/editor/DifferentialRevisionEditEngine.php b/src/applications/differential/editor/DifferentialRevisionEditEngine.php
--- a/src/applications/differential/editor/DifferentialRevisionEditEngine.php
+++ b/src/applications/differential/editor/DifferentialRevisionEditEngine.php
@@ -307,7 +307,7 @@
         pht('Hold as Draft'))
       ->setTransactionType(
         DifferentialRevisionHoldDraftTransaction::TRANSACTIONTYPE)
-      ->setDescription(pht('Hold revision as as draft.'))
+      ->setDescription(pht('Hold revision as draft.'))
       ->setConduitDescription(
         pht(
           'Change autosubmission from draft state after builds finish.'))
diff --git a/src/applications/differential/xaction/DifferentialRevisionPlanChangesTransaction.php b/src/applications/differential/xaction/DifferentialRevisionPlanChangesTransaction.php
--- a/src/applications/differential/xaction/DifferentialRevisionPlanChangesTransaction.php
+++ b/src/applications/differential/xaction/DifferentialRevisionPlanChangesTransaction.php
@@ -86,7 +86,7 @@
     if ($object->isClosed()) {
       throw new Exception(
         pht(
-          'You can not plan changes to this this revision because it has '.
+          'You can not plan changes to this revision because it has '.
           'already been closed.'));
     }