Use "an" before fwup
Use "an" before fwup

This is to be consistent with other usage in the docs. Apparently I
pronounce it ef-w-up, and others pronounce it as fwup (rhymes with pup).

fhunleth/fwup,michaelkschmidt/fwup,michaelkschmidt/fwup,fhunleth/fwup,michaelkschmidt/fwup,fhunleth/fwup