Updated comment on logstash.conf
Updated comment on logstash.conf

vladoatanasov/docker-elk,laidig/docker-elk,deviantony/docker-elk,laidig/docker-elk,binqsoft/NeXlog2elk,binqsoft/NeXlog2elk,dkirrane/docker-elk,binqsoft/NeXlog2elk,vladoatanasov/docker-elk,deviantony/docker-elk,binqsoft/NeXlog2elk,flyingelephantlab/docker-belk,topiaruss/docker-elk,dkirrane/docker-elk,newcontext/so-mvp-docker-elk,flyingelephantlab/docker-belk,binqsoft/NeXlog2elk,newcontext/so-mvp-docker-elk,tijsg/NGINX-Modular