diff --git a/src/applications/diffusion/controller/DiffusionCommitController.php b/src/applications/diffusion/controller/DiffusionCommitController.php
--- a/src/applications/diffusion/controller/DiffusionCommitController.php
+++ b/src/applications/diffusion/controller/DiffusionCommitController.php
@@ -900,8 +900,10 @@
       $caption = new PHUIInfoView();
       $caption->setSeverity(PHUIInfoView::SEVERITY_NOTICE);
       $caption->appendChild(
-        pht('This commit merges more than %d changes. Only the first '.
-        '%d are shown.', $limit));
+        pht(
+          'This commit merges a very large number of changes. Only the first '.
+          '%s are shown.',
+          new PhutilNumber($limit)));
     }
 
     $history_table = new DiffusionHistoryTableView();