fix typo in reference stopwatch article

SimonHeimberg · SimonHeimberg · commit 93b6111d58c9 · 2018-11-29T23:27:37.000+01:00
diff --git a/profiler/stopwatch.rst b/profiler/stopwatch.rst
@@ -14,4 +14,4 @@ short example::
     $stopwatch->lapse('anEvent');
     $stopwatch->stop('anEvent');
 
-:doc:`/component/stopwatch` explains the methods in more details.
+:doc:`/components/stopwatch` explains the methods in more details.
