Update options.html.markdown
Update options.html.markdown

Fix typo.
samaitra/serf,minhkiller/serf,pmenglund/serf,minhkiller/serf,FollowMyDev/serf,gnawhleinad/serf,hashicorp/serf,mapuri/serf,minhkiller/serf,hashicorp/serf,FollowMyDev/serf,samaitra/serf,patrickviet/serf,patrickviet/serf,hashicorp/serf,FollowMyDev/serf,minhkiller/serf,gnawhleinad/serf,patrickviet/serf,mapuri/serf,gnawhleinad/serf,samaitra/serf,pmenglund/serf,minhkiller/serf,pmenglund/serf,patrickviet/serf,samaitra/serf,gnawhleinad/serf,minhkiller/serf,mapuri/serf,samaitra/serf,mapuri/serf,pmenglund/serf,gnawhleinad/serf,samaitra/serf,hashicorp/serf,FollowMyDev/serf,hashicorp/serf,FollowMyDev/serf,patrickviet/serf,gnawhleinad/serf,FollowMyDev/serf,pmenglund/serf,mapuri/serf,patrickviet/serf,mapuri/serf,pmenglund/serf