Small fixes in command descriptions (#1660)

Signed-off-by: Andreas Neumann <aneumann@mesosphere.com>

pkg/kudoctl/cmd/package_verify.go

@@ -25,7 +25,7 @@ func newPackageVerifyCmd(fs afero.Fs, out io.Writer) *cobra.Command {
 
 	cmd := &cobra.Command{
 		Use:     "verify [package]",
-		Short:   "verify package parameters",
+		Short:   "verify KUDO package",
 		Example: "  kubectl kudo package verify ../zk/operator",
 		RunE: func(cmd *cobra.Command, args []string) error {
 			if err := validateOperatorArg(args); err != nil {

pkg/kudoctl/cmd/plan.go

@@ -12,7 +12,7 @@ import (
 
 const (
 	planHistoryExample = `  # View plan history
-  kubectl kudo plan history <operatorVersion> --instance=<instanceName>
+  kubectl kudo plan history --instance=<instanceName>
 `
 	planStatusExample = `  # View plan status
   kubectl kudo plan status --instance=<instanceName>
@@ -42,7 +42,7 @@ func NewPlanHistoryCmd() *cobra.Command {
 	options := plan.DefaultHistoryOptions
 	cmd := &cobra.Command{
 		Use:     "history",
-		Short:   "Lists history to a specific operator-version of an instance.",
+		Short:   "Lists history for each plan of an instance.",
 		Example: planHistoryExample,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			return plan.RunHistory(cmd, options, &Settings)

pkg/kudoctl/cmd/update.go

@@ -14,7 +14,7 @@ import (
 )
 
 var (
-	updateDesc = `Update KUDO operator instance with new arguments. The update does not accept any arguments.
+	updateDesc = `Update KUDO operator instance with new parameters. The update of parameters can trigger the execution of specific plans.
 `
 	updateExample = `  # Update dev-flink instance with setting parameter param with value value
   kubectl kudo update --instance dev-flink -p param=value