HA OS 13.2 to 14.0 seems to be ok, but on the terminal it still shows 13.2

I am a HAOS newbe.

I use HAOS on a very old laptop using GRUB2 for booting. The upgrade to 14.0 seems to be fine.
HAOS restarts but the terminal still shows 13.2 and in the web gui the update is still available.

Does anybody have an idea what is happening/what I am doing wrong?

Found it. Because I’m using Grub2, I had to select boot-slot B manually.