keep the uppercase letter for flag info

Signed-off-by: yulng <wei.yang@daocloud.io>

cmd/containerd/command/config.go

@@ -98,18 +98,18 @@ func defaultConfig() *srvconfig.Config {
 
 var configCommand = cli.Command{
 	Name:  "config",
-	Usage: "information on the containerd config",
+	Usage: "Information on the containerd config",
 	Subcommands: []cli.Command{
 		{
 			Name:  "default",
-			Usage: "see the output of the default config",
+			Usage: "See the output of the default config",
 			Action: func(context *cli.Context) error {
 				return outputConfig(defaultConfig())
 			},
 		},
 		{
 			Name:  "dump",
-			Usage: "see the output of the final main config with imported in subconfig files",
+			Usage: "See the output of the final main config with imported in subconfig files",
 			Action: func(context *cli.Context) error {
 				config := defaultConfig()
 				if err := srvconfig.LoadConfig(context.GlobalString("config"), config); err != nil && !os.IsNotExist(err) {

cmd/containerd/command/main.go

@@ -80,16 +80,16 @@ can be used and modified as necessary as a custom configuration.`
 	app.Flags = []cli.Flag{
 		cli.StringFlag{
 			Name:  "config,c",
-			Usage: "path to the configuration file",
+			Usage: "Path to the configuration file",
 			Value: filepath.Join(defaults.DefaultConfigDir, "config.toml"),
 		},
 		cli.StringFlag{
 			Name:  "log-level,l",
-			Usage: "set the logging level [trace, debug, info, warn, error, fatal, panic]",
+			Usage: "Set the logging level [trace, debug, info, warn, error, fatal, panic]",
 		},
 		cli.StringFlag{
 			Name:  "address,a",
-			Usage: "address for containerd's GRPC server",
+			Usage: "Address for containerd's GRPC server",
 		},
 		cli.StringFlag{
 			Name:  "root",

cmd/containerd/command/oci-hook.go

@@ -31,7 +31,7 @@ import (
 
 var ociHook = cli.Command{
 	Name:  "oci-hook",
-	Usage: "provides a base for OCI runtime hooks to allow arguments to be injected.",
+	Usage: "Provides a base for OCI runtime hooks to allow arguments to be injected.",
 	Action: func(context *cli.Context) error {
 		state, err := loadHookState(os.Stdin)
 		if err != nil {

cmd/containerd/command/publish.go

@@ -38,15 +38,15 @@ import (
 
 var publishCommand = cli.Command{
 	Name:  "publish",
-	Usage: "binary to publish events to containerd",
+	Usage: "Binary to publish events to containerd",
 	Flags: []cli.Flag{
 		cli.StringFlag{
 			Name:  "namespace",
-			Usage: "namespace to publish to",
+			Usage: "Namespace to publish to",
 		},
 		cli.StringFlag{
 			Name:  "topic",
-			Usage: "topic of the event",
+			Usage: "Topic of the event",
 		},
 	},
 	Action: func(context *cli.Context) error {