Input: amijoy - make headings compliant w/ guidelines in documentation

Make heading adornments compliant with the guidelines to improve
organisation of the page.

Signed-off-by: George Anthony Vernon <contact@gvernon.com>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://lore.kernel.org/r/20250526135957.180254-5-contact@gvernon.com


Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>