This changes from plain text to reStructuredText as suggestion
in doc-guide [1]

[1] https://www.kernel.org/doc/html/latest/doc-guide/sphinx.html

Some adaptations such as: literal block, ``inline literal`` and
alignment text,...

Signed-off-by: Phong Tran
Reviewed-by: Mauro Carvalho Chehab
Acked-by: Mathieu Poirier
Signed-off-by: Jonathan Corbet