Fix small error in doc comment
Fix small error in doc comment

essen/cowboy,bsmr-erlang/cowboy,unisontech/cowboy,binarin/cowboy,lpgauth/cowboy,imdeps/cowboy,lpgauth/cowboy,acrispin/cowboy,venkateshreddy/cowboy,unisontech/cowboy,linearregression/cowboyku,manastech/cowboy,noname007/cowboy,pap/cowboy,sile/cowboy,bobos/ecweb,piboye/cowboy,layerhq/cowboy,rabbitmq/cowboy,Reimerei/cowboy,paulperegud/cowboy,heroku/cowboy,grahamrhay/cowboy,276361270/cowboy,nviennot/cowboy,callsign-core/cowboy_hybi00,ferd/cowboyku,yangchengjian/cowboy,yangchengjian/cowboy,binarin/cowboy,LineMetrics/cowboy,ninenines/cowboy,kivra/cowboy,rbalint/pkg-erlang-cowboy,LineMetrics/cowboy,heroku/cowboyku,odo/cowboy,turtleDeng/cowboy,MSch/cowboy,piboye/cowboy,cad627/cowboy,CrankWheel/cowboy,omusico/cowboy,essen/cowboy,callsign-core/cowboy_hybi00,cad627/cowboy,dangjun625/cowboy,K2InformaticsGmbH/cowboy,LineMetrics/cowboy,hairyhum/cowboy,heroku/cowboy,layerhq/cowboy,manastech/cowboy