On Sun, 13 Jun 2021 09:21:36 +0100, Neil Bothwick wrote:

> The default setting takes either the number of title of a kernel, so
> default="experimental kernel" should do it.

Forgot the obligatory RTFM reference :)

https://www.gnu.org/software/grub/manual/grub/grub.html#default


-- 
Neil Bothwick

After all is said and done let there not be more said than done.