Updated fleetctl get queries/labels/hosts descriptions. (#19908)

#19577 
Updated fleetctl get queries/labels/hosts descriptions.

# Checklist for submitter

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<!-- Note that API documentation changes are now addressed by the
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- [x] Changes file added for user-visible changes in `changes/`,
`orbit/changes/` or `ee/fleetd-chrome/changes`.
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- [ ] Added/updated tests
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changes/19577-fleetctl-get-desc

@@ -0,0 +1 @@
+- Updated fleetctl get queries/labels/hosts descriptions.

cmd/fleetctl/get.go

@@ -371,7 +371,7 @@ func getQueriesCommand() *cli.Command {
 	return &cli.Command{
 		Name:    "queries",
 		Aliases: []string{"query", "q"},
-		Usage:   "List information about one or more queries",
+		Usage:   "List information about queries",
 		Flags: []cli.Flag{
 			&cli.UintFlag{
 				Name:  teamFlagName,
@@ -651,7 +651,7 @@ func getLabelsCommand() *cli.Command {
 	return &cli.Command{
 		Name:    "labels",
 		Aliases: []string{"label", "l"},
-		Usage:   "List information about one or more labels",
+		Usage:   "List information about labels",
 		Flags: []cli.Flag{
 			jsonFlag(),
 			yamlFlag(),
@@ -793,7 +793,7 @@ func getHostsCommand() *cli.Command {
 	return &cli.Command{
 		Name:    "hosts",
 		Aliases: []string{"host", "h"},
-		Usage:   "List information about one or more hosts",
+		Usage:   "List information about hosts",
 		Flags: []cli.Flag{
 			&cli.UintFlag{
 				Name:     "team",