notification readme

README.md

@@ -54,7 +54,7 @@ There's a chance of errors if you use a slow-release distro like Ubuntu, Debian
 
 - `w3m` - view HTML email and images in neomutt.
 - `notmuch` - index and search mail. Install it and run `notmuch setup`, tell it that your mail is in `~/.local/share/mail/` (although `mw` will do this automatically if you haven't set notmuch up before). You can run it in mutt with `ctrl-f`. Run `notmuch new` to process new mail, although the included `mailsync` script does this for you.
-- `libnotify`/`libnotify-bin` - allows notifications when syncthing mail with `mailsync`
+- `libnotify`/`libnotify-bin` - allows notifications when syncing mail with `mailsync`. Pass `-p` or `--preview` as argument to `mailsync` and you will receive email previews containing sender and subject in your notification client. Without the preview flag a notification indicating the amount of newly received emails since the last sync will be sent.
 - `abook` - a terminal-based address book. Pressing tab while typing an address to send mail to will suggest contacts that are in your abook.
 - A cron manager - if you want to enable the auto-sync feature.
 - `pam-gnupg` - this is a more general program that I use. It automatically logs you into your GPG key on login so you will never need to input your password once logged on to your system. Check the repo and directions out [here](https://github.com/cruegge/pam-gnupg).