message: feat: Changed alert phrase.
diff: @@ -17,7 +17,7 @@ jQuery.noConflict();
  $form.on('submit', function(e) {
  e.preventDefault();
  kintone.plugin.app.setConfig({message: $message.val()}, function() {
  - alert('Please update the app!');
  + alert('The plug-in settings have been saved. Please update the app!');
  window.location.href = getSettingsUrl();
  });
  });
  