fix usage foramtting bug
fix usage foramtting bug

meiriko/node-bcat-dup,Jimbly/node-pipe-to-browser,meiriko/node-bcat-dup,Jimbly/node-pipe-to-browser,kessler/node-bcat,meiriko/node-bcat,meiriko/node-bcat,kessler/node-bcat