media: admin-guide: properly format ToC heading

"class:: toc-title" was a workaround for older Sphinx versions that are
no longer supported.

The canonical way to add a heading to the ToC is to use :caption:.
Do that.

Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20231027081830.195056-4-vegard.nossum@oracle.com

diff --git a/Documentation/admin-guide/media/index.rst b/Documentation/admin-guide/media/index.rst
index 43f4a292b24590870b77cc3112dde162931a8fcd..be7e0e4482ca51bb990854ae03540247d21e661d 100644 (file)
--- a/Documentation/admin-guide/media/index.rst
+++ b/Documentation/admin-guide/media/index.rst
@@ -20,16 +20,8 @@ Documentation/driver-api/media/index.rst
   - for driver development information and Kernel APIs used by
     media devices;
 
-The media subsystem
-===================
-
-.. only:: html
-
-    .. class:: toc-title
-
-        Table of Contents
-
 .. toctree::
+       :caption: Table of Contents
        :maxdepth: 2
        :numbered: