In this screenshot:
https://www.dropbox.com/s/2lc9oi183s...%20PM.png?dl=0
you can see the bottom section of a spell window.
The DC is listed here.
DC15.
Its a 1st level spell. The caster has an ability bonus of +3. The caster has the spell focus feat as well.
10+1+3+1 = 15
It would be useful to see these bonuses here in this section. Similarly to how we see these modifiers listed elsewhere.