Replace HTML in help

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

internal/app/wwctl/overlay/chown/root.go

@@ -4,7 +4,7 @@ import "github.com/spf13/cobra"
 
 var (
 	baseCmd = &cobra.Command{
-		Use:   "chown [flags] <overlay kind> <overlay name> <path> <UID> [<GID>]",
+		Use:   "chown [flags] (overlay kind) (overlay name) (path) (UID) [(GID)]",
 		Short: "Change file ownership within an overlay",
 		Long: "This command will allow you to change the ownership of a file within an\n" +
 			"overlay.",