Hey, forgive me if this is a n00b question, but how do you change the quick spell in this game?

I'm in the Barrow Downs at the moment, and I swear, if I had a dollar for every time I accidentally used Fire Bolt against a group of Gogs....

There is a line just above the portraits that gives you instructions"
1)Click on Portrait.
2)Click on Spells
3) Click on "Save Spell" to remove spell if one saved. If not, to 4
4),Then click on "Save Spell" to then.......
5) Click on spell
Should be set
(Edit forgot a step)

That worked, TY