Small typo, additional backtick

Author: rvanlaak

components/clock.rst

@@ -17,7 +17,7 @@ for different use cases:
 :class:`Symfony\\Component\\Clock\\MockClock`
     Commonly used in tests as a replacement for the ``NativeClock`` to be able
     to freeze and change the current time using either ``sleep()`` or ``modify()``.
-:class:`Symfony\\Component\\Clock\\MonotonicClock``
+:class:`Symfony\\Component\\Clock\\MonotonicClock`
     Relies on ``hrtime()`` and provides a high resolution, monotonic clock,
     when you need a precise stopwatch.