minor docfix for inherited lorentzian
minor docfix for inherited lorentzian

allisony/pyspeckit,vlas-sokolov/pyspeckit,pyspeckit/pyspeckit,jpinedaf/pyspeckit,e-koch/pyspeckit,keflavich/pyspeckit,keflavich/pyspeckit,low-sky/pyspeckit,mikelum/pyspeckit,vlas-sokolov/pyspeckit,pyspeckit/pyspeckit,low-sky/pyspeckit,allisony/pyspeckit,e-koch/pyspeckit,jpinedaf/pyspeckit,mikelum/pyspeckit