On my laptop GRUB defaults to display in the full resolution of the screen (3840x2160) which means tiny, tiny letters on the screen. I literally have to put on reading glasses to see them.
Fortunately the Arch wiki has the information I need: Setting the
after putting on my glasses and typing
videoinfo on the GRUB command
line, I found a line to put in
/etc/default/grub that works:
sudo update-grub later, and now the text is legible to me.
Nice, thanks Arch wiki!