diff --git a/components/phpunit_bridge.rst b/components/phpunit_bridge.rst
index 41d71b776c6..2c43a0a0ab6 100644
--- a/components/phpunit_bridge.rst
+++ b/components/phpunit_bridge.rst
@@ -141,9 +141,9 @@ If you have this kind of time-related tests::
         {
             $stopwatch = new Stopwatch();
 
-            $stopwatch->start();
+            $stopwatch->start('event_name');
             sleep(10);
-            $duration = $stopwatch->stop();
+            $duration = $stopwatch->stop('event_name')->getDuration();
 
             $this->assertEquals(10, $duration);
         }