cmd/tailscale/cli: document the web subcommand a bit more
Fixes
@@ -60,6 +60,14 @@ type tmplData struct {
ShortUsage: "web [flags]",
ShortHelp: "Run a web server for controlling Tailscale",
+ LongHelp: strings.TrimSpace(`
+"tailscale web" runs a webserver for controlling the Tailscale daemon.
+
+It's primarily intended for use on Synology, QNAP, and other
+NAS devices where a web interface is the natural place to control
+Tailscale, as opposed to a CLI or a native app.
+`),
+
FlagSet: (func() *flag.FlagSet {
webf := flag.NewFlagSet("web", flag.ExitOnError)
webf.StringVar(&webArgs.listen, "listen", "localhost:8088", "listen address; use port 0 for automatic")
