Update help

Signed-off-by: jcsiadal <jeremy.c.siadal@intel.com>

internal/app/wwctl/container/list/root.go

@@ -4,7 +4,8 @@ import "github.com/spf13/cobra"
 
 var (
 	baseCmd = &cobra.Command{
-		Use:     "list [flags]",
+		DisableFlagsInUseLine: true,
+		Use:     "list [OPTIONS]",
 		Short:   "List imported Warewulf containers",
 		Long:    "This command will show you the containers that are imported into Warewulf.",
 		RunE:    CobraRunE,