Complex sentence: But actually Captain Sham aka Count Olaf made Aunt Josephine write that note, which she actually did, but secretly she puts grammar errors that spells out curdled cave and the baudelaires to help her when she is there.
Split into simpler sentences: But actually Captain Sham aka Count Olaf made Aunt josephine write that note. But secretly she puts grammar errors that spells out curdled cave and the baudelaires to help her when she is there.