Fix typo

commands.go

@@ -88,7 +88,7 @@ func listVehicles(m chat1.MsgSummary) {
 func deferTime(m chat1.MsgSummary) {
 	parts := strings.Split(m.Content.Text.Body, " ")
 	t := parts[1]
-	command := strings.Join(parts[1:], " ")
+	command := strings.Join(parts[2:], " ")
 	m.Content.Text.Body = fmt.Sprintf("!%+v", command)
 	timer, err := time.ParseDuration(t)
 	if err != nil {