fix nits in comments

Signed-off-by: allencloud <allen.sun@daocloud.io>

api/types/time/timestamp.go

@@ -84,7 +84,7 @@ func GetTimestamp(value string, reference time.Time) (string, error) {
 	}
 
 	if err != nil {
-		// if there is a `-` then its an RFC3339 like timestamp otherwise assume unixtimestamp
+		// if there is a `-` then it's an RFC3339 like timestamp otherwise assume unixtimestamp
 		if strings.Contains(value, "-") {
 			return "", err // was probably an RFC3339 like timestamp but the parser failed with an error
 		}

builder/dockerfile/internals.go

@@ -188,7 +188,7 @@ func (b *Builder) runContextCommand(args []string, allowRemote bool, allowLocalD
 
 	comment := fmt.Sprintf("%s %s in %s", cmdName, origPaths, dest)
 
-	// Twiddle the destination when its a relative path - meaning, make it
+	// Twiddle the destination when it's a relative path - meaning, make it
 	// relative to the WORKINGDIR
 	if dest, err = normaliseDest(cmdName, b.runConfig.WorkingDir, dest); err != nil {
 		return err
@@ -384,11 +384,11 @@ func (b *Builder) processImageFrom(img builder.Image) error {
 	}
 
 	// Check to see if we have a default PATH, note that windows won't
-	// have one as its set by HCS
+	// have one as it's set by HCS
 	if system.DefaultPathEnv != "" {
 		// Convert the slice of strings that represent the current list
 		// of env vars into a map so we can see if PATH is already set.
-		// If its not set then go ahead and give it our default value
+		// If it's not set then go ahead and give it our default value
 		configEnv := opts.ConvertKVStringsToMap(b.runConfig.Env)
 		if _, ok := configEnv["PATH"]; !ok {
 			b.runConfig.Env = append(b.runConfig.Env,

cli/command/swarm/unlock.go

@@ -37,7 +37,7 @@ func runUnlock(dockerCli *command.DockerCli, opts unlockOptions) error {
 	client := dockerCli.Client()
 	ctx := context.Background()
 
-	// First see if the node is actually part of a swarm, and if it's is actually locked first.
+	// First see if the node is actually part of a swarm, and if it is actually locked first.
 	// If it's in any other state than locked, don't ask for the key.
 	info, err := client.Info(ctx)
 	if err != nil {

daemon/config.go

@@ -239,7 +239,7 @@ func parseClusterAdvertiseSettings(clusterStore, clusterAdvertise string) (strin
 	return advertise, nil
 }
 
-// GetConflictFreeLabels validate Labels for conflict
+// GetConflictFreeLabels validates Labels for conflict
 // In swarm the duplicates for labels are removed
 // so we only take same values here, no conflict values
 // If the key-value is the same we will only take the last label

daemon/daemon.go

@@ -640,7 +640,7 @@ func NewDaemon(config *Config, registryService registry.Service, containerdRemot
 	logrus.Infof("Graph migration to content-addressability took %.2f seconds", time.Since(migrationStart).Seconds())
 
 	// Discovery is only enabled when the daemon is launched with an address to advertise.  When
-	// initialized, the daemon is registered and we can store the discovery backend as its read-only
+	// initialized, the daemon is registered and we can store the discovery backend as it's read-only
 	if err := d.initDiscovery(config); err != nil {
 		return nil, err
 	}

daemon/daemon_solaris.go

@@ -301,7 +301,7 @@ func verifyPlatformContainerSettings(daemon *Daemon, hostConfig *containertypes.
 	return warnings, nil
 }
 
-// platformReload update configuration with platform specific options
+// platformReload updates configuration with platform specific options
 func (daemon *Daemon) platformReload(config *Config) map[string]string {
 	return map[string]string{}
 }

daemon/daemon_unix.go

@@ -556,7 +556,7 @@ func verifyPlatformContainerSettings(daemon *Daemon, hostConfig *containertypes.
 	return warnings, nil
 }
 
-// platformReload update configuration with platform specific options
+// platformReload updates configuration with platform specific options
 func (daemon *Daemon) platformReload(config *Config) map[string]string {
 	if config.IsValueSet("runtimes") {
 		daemon.configStore.Runtimes = config.Runtimes

daemon/daemon_windows.go

@@ -203,7 +203,7 @@ func verifyPlatformContainerSettings(daemon *Daemon, hostConfig *containertypes.
 	return warnings, err
 }
 
-// platformReload update configuration with platform specific options
+// platformReload updates configuration with platform specific options
 func (daemon *Daemon) platformReload(config *Config) map[string]string {
 	return map[string]string{}
 }

daemon/kill.go

@@ -119,7 +119,7 @@ func (daemon *Daemon) Kill(container *container.Container) error {
 	if err := daemon.killPossiblyDeadProcess(container, int(syscall.SIGKILL)); err != nil {
 		// While normally we might "return err" here we're not going to
 		// because if we can't stop the container by this point then
-		// its probably because its already stopped. Meaning, between
+		// it's probably because it's already stopped. Meaning, between
 		// the time of the IsRunning() call above and now it stopped.
 		// Also, since the err return will be environment specific we can't
 		// look for any particular (common) error that would indicate

daemon/stop.go

@@ -52,7 +52,7 @@ func (daemon *Daemon) containerStop(container *container.Container, seconds int)
 	if err := daemon.killPossiblyDeadProcess(container, stopSignal); err != nil {
 		// While normally we might "return err" here we're not going to
 		// because if we can't stop the container by this point then
-		// its probably because its already stopped. Meaning, between
+		// it's probably because it's already stopped. Meaning, between
 		// the time of the IsRunning() call above and now it stopped.
 		// Also, since the err return will be environment specific we can't
 		// look for any particular (common) error that would indicate