Merge pull request #156 from rqlite/cli_help

Tweak CLI help usage

cmd/rqlite/main.go

@@ -15,9 +15,9 @@ const maxRedirect = 21
 
 type argT struct {
 	cli.Helper
-	Protocol string `cli:"s,scheme" usage:"protocol scheme(http or https)" dft:"http"`
+	Protocol string `cli:"s,scheme" usage:"protocol scheme (http or https)" dft:"http"`
 	Host     string `cli:"H,host" usage:"rqlited host address" dft:"127.0.0.1"`
-	Port     uint16 `cli:"p,port" usage:"rqlited listening http(s) port" dft:"4001"`
+	Port     uint16 `cli:"p,port" usage:"rqlited host port" dft:"4001"`
 }
 
 func main() {