diff --git a/src/applications/herald/controller/HeraldTranscriptController.php b/src/applications/herald/controller/HeraldTranscriptController.php
--- a/src/applications/herald/controller/HeraldTranscriptController.php
+++ b/src/applications/herald/controller/HeraldTranscriptController.php
@@ -613,7 +613,7 @@
     foreach ($profile as $frame) {
       $cost = $frame['elapsed'];
       $cost = 1000000 * $cost;
-      $cost = pht('%sus', new PhutilNumber($cost));
+      $cost = pht('%s%ss', new PhutilNumber($cost), mb_chr(956, 'UTF-8'));
 
       $type = $frame['type'];
       switch ($type) {