Fix typo in usage documentation
Fix typo in usage documentation

hpsbranco/subliminal,ofir123/subliminal,t4lwh/subliminal,Elettronik/subliminal,juanmhidalgo/subliminal,h3llrais3r/subliminal,fernandog/subliminal,SickRage/subliminal,Diaoul/subliminal,neo1691/subliminal