Minor Alloy Scuff - Advice from people who know

[jumpingjackdan]

A year since the wheels were re-furbed, its finally happened. Driving down a country lane, pot hole, very minor alloy scuff, about 1.5cm long - graaaa! Happy to repair it with the Wurth spray as apparently it very good.

Just one question, as its so small do I have to prime the area first and rub it down with some wet and dry or can I just clean the area, quick spray and then lacquer? Don't shoot me for asking stupid questions if it is indeed stupid!