The text you wanted. Searched using what text was visible in your image in Google to find the original URL, which you didn’t include, then grabbed the original text, courtesy of archive.org’s Wayback Machine:

https://web.archive.org/web/20230317064546/https://www.reddit.com/r/RockyLinux/comments/11rvyn7/added_raid1_and_added_to_fstab_no_server_does_not/

1. what does the grub2 boot line look like?

2. /boot is traditionally a separate partition, although it may not be required depending on how new your hardware is.

3. /boot/EFI must be its own partition and formatted vfat file system in EFI boot systems.

There’s an xkcd for that:

https://xkcd.com/979/