message: Fix typo
  There was a little typo in the pop-up that is shown when an update is ready.
diff: @@ -61,7 +61,7 @@ const startAppUpdates = () => {
  autoUpdater.on('update-downloaded', () => {
  log.info('Update downloaded')
  const buttonIndex = dialog.showMessageBox({
  - message: `Update downlaoded. Install now?`,
  + message: `Update downloaded. Install now?`,
  buttons: ['Install Update & Restart', 'Later'],
  })
  if (buttonIndex === 0) {
  