Eric Blake authored Aug 09, 2024 and Peter Maydell committed Aug 09, 2024

Add in the missing space in the section header.

Fixes: 1084159b ("qapi: deprecate drive-backup", v6.2.0)
Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>