[fix] Missing ,. Fixes http-party#54.

Author: indexzero

bin/http-server

@@ -17,7 +17,7 @@ if (argv.h || argv.help) {
     "  -i                 Display autoIndex [true]",
     "  -e --ext           Default file extension if none supplied [none]",
     "  -s --silent        Suppress log messages from output",
-    "  --cors             Enable CORS via the 'Access-Control-Allow-Origin' header"
+    "  --cors             Enable CORS via the 'Access-Control-Allow-Origin' header",
     "  -o                 Open browser window after staring the server",
     "  -c                 Set cache time (in seconds). e.g. -c10 for 10 seconds.",
     "                     To disable caching, use -c-1.",