message: Boxx ->  Billboard
diff: @@ -51,7 +51,7 @@ pub fn help(msg: &str) {
  }
  pub fn deprecation_warning(msg: &str) {
  - let bb = Boxx::builder()
  + let bb = Billboard::builder()
  .border_style(BorderStyle::Round)
  .border_color(BorderColor::Red)
  .margin(1)
  