diff --git a/src/applications/differential/constants/DifferentialAction.php b/src/applications/differential/constants/DifferentialAction.php
--- a/src/applications/differential/constants/DifferentialAction.php
+++ b/src/applications/differential/constants/DifferentialAction.php
@@ -113,7 +113,7 @@
       self::ACTION_RECLAIM        => pht('Reclaim Revision'),
       self::ACTION_RESIGN         => pht('Resign as Reviewer'),
       self::ACTION_ADDREVIEWERS   => pht('Add Reviewers'),
-      self::ACTION_ADDCCS         => pht('Add CCs'),
+      self::ACTION_ADDCCS         => pht('Add Subscribers'),
       self::ACTION_CLOSE          => pht('Close Revision'),
       self::ACTION_CLAIM          => pht('Commandeer Revision'),
       self::ACTION_REOPEN         => pht('Reopen'),
diff --git a/src/applications/differential/view/DifferentialAddCommentView.php b/src/applications/differential/view/DifferentialAddCommentView.php
--- a/src/applications/differential/view/DifferentialAddCommentView.php
+++ b/src/applications/differential/view/DifferentialAddCommentView.php
@@ -91,7 +91,7 @@
           ->setDisableBehavior(true))
       ->appendChild(
         id(new AphrontFormTokenizerControl())
-          ->setLabel(pht('Add CCs'))
+          ->setLabel(pht('Add Subscribers'))
           ->setName('ccs')
           ->setControlID('add-ccs')
           ->setControlStyle($enable_ccs ? null : 'display: none')