I understand that Airbus was actually one of the last large A/C manufacturers to adopt the change PNF ->> PM. When they did there was no change to the suggested SOP's because of this. The explanation being the term PM better reflects what to task are anyway.
Nowadays well reflected in the FCTM. I.e. during the ABNORMAL procedures, the primary role of the PM is to ..
..
.. monitor the PF job. (my wording, their meaning. Airmanship 101).