PBS prompted for manual grub location selection on update

Today I ran the basic apt update && apt upgrade. I was greeted with a question from grub update about where I would like to install the grub bootloader. My system boots from dell raid controller using UEFI and has not asked such questions before when updating. I selected the /dev/sda as per that is the disk where the pbs itself is installed on. After selecting that, the installer created warning that the boot partition was under 1mb??

I have not yet tried to reboot the system but should I...

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