updated doc for mod_wsgi (#3751)
updated doc for mod_wsgi (#3751)

Co-authored-by: Sarthak <07750a2cba77983894994a8b0b0fd462b7e1e47a@MacBook.local>
fkazimierczak/flask,fkazimierczak/flask,fkazimierczak/flask,mitsuhiko/flask,pallets/flask,drewja/flask,pallets/flask,mitsuhiko/flask,drewja/flask,drewja/flask,pallets/flask