Add code block around Window

Review comments

docs/reST/ref/window.rst

@@ -12,7 +12,7 @@
 
    The Window class (formerly known as _sdl2.video.Window), is a newly
    published feature of pygame-ce 2.5.2. This class allows for programs
-   to drive multiple Windows on-screen at once, something not possible with
+   to drive multiple windows on-screen at once, something not possible with
    the :func:`pygame.display.set_mode` API. Not everything possible with
    :mod:`pygame.display` is possible yet in the Window API, but the new
    window class will continue to be developed, and we're excited to share
@@ -59,9 +59,9 @@
              pygame.quit()
              raise SystemExit
 
-   Event behavior if multiple Windows are created: When the close button is
+   Event behavior if multiple ``Window``s are created: When the close button is
    pressed, a ``WINDOWCLOSE`` event is sent. You need to explicitly destroy
-   the window. Note that the event ``QUIT`` will only be sent if all Windows
+   the window. Note that the event ``QUIT`` will only be sent if all ``Window``s
    have been destroyed.
 
    .. code-block:: python