docs: usage flags description to lower case

Author: grishy

cmd/cname.go

@@ -82,13 +82,13 @@ func Cname(ctx context.Context) *cli.Command {
 				Name:    "interval",
 				Value:   300,
 				EnvVars: []string{"INTERVAL"},
-				Usage:   "Interval of publishing CNAME records in seconds. How often to send records to other machines.",
+				Usage:   "interval of publishing CNAME records in seconds. How often to send records to other machines.",
 			},
 			&cli.StringFlag{
 				Name:        "fqdn",
 				EnvVars:     []string{"FQDN"},
-				Usage:       "Where to redirect. If empty, the Avahi FQDN (current machine) will be used",
-				DefaultText: "hostname.local.",
+				Usage:       "where to redirect. If empty, the Avahi FQDN (current machine) will be used",
+				DefaultText: "<hostname>.local.",
 			},
 		},
 		Action: func(cCtx *cli.Context) error {

cmd/subdomain.go

@@ -152,8 +152,8 @@ func Subdomain(ctx context.Context) *cli.Command {
 			&cli.StringFlag{
 				Name:        "fqdn",
 				EnvVars:     []string{"FQDN"},
-				Usage:       "FQDN which will be used for CNAME. If empty, will be used current FQDN",
-				DefaultText: "hostname.local.",
+				Usage:       "FQDN which will be used for CNAME. If empty, will be used current FQDN from Avahi",
+				DefaultText: "<hostname>.local.",
 			},
 		},
 		Action: func(cCtx *cli.Context) error {

main.go

@@ -40,6 +40,9 @@ func main() {
 		fmt.Printf(" > %+v\n", err)
 		os.Exit(1)
 	}
+
+	// To avoid graceful shutdown timeout
+	os.Exit(0)
 }
 
 // run starts and configures the CLI application
@@ -70,7 +73,7 @@ Need help? Visit https://github.com/grishy/go-avahi-cname`,
 			&cli.BoolFlag{
 				Name:    "debug",
 				Aliases: []string{"d"},
-				Usage:   "Enable debug logging",
+				Usage:   "enable debug logging",
 				EnvVars: []string{"DEBUG"},
 				Value:   false,
 			},