There is a bit of debate on RAW vs RAI.
As it stands right now, your Power Points are based on the unadjusted Magic Score from the Priority table as per pg 66 in Core. specifically:
QUOTE
Adepts have a pool of points equal to their Magic (as listed in the Priority table, before any adjustments) that they use to purchase adept powers.
They have already said on other forums that the example characters were probably built on pre-release rules that had since been adjusted, hence the confusion if you try using them as an example.
So as it stands at the moment, an Adept may buy their Magic up to 6 with the special adjustment points, but the PP would remain at 4 if you took Priority A.
You can follow the discussion
here and see what evolves from it.