This is pretty easy. Just reply to this email and put your notes about each check-in *below* that venue's name.
Leaving some blank is fine.
You can visit http://lastnightscheckins.com/notes to see (and edit) your notes later on.
++ May 28, 11:48 AM @ Joshua Tree National Park (676436097) ++
++ May 28, 11:48 AM @ Sam's Pizza (676436098) ++
-*-*- end email -*-*-