Exactly; it's an error (a deliberate error, now what's the word for that, again?) not a mistake. Reminds me of a very old grammar joke, husband interrupts wife

Exactly; it's an error (a deliberate error, now what's the word for that, again?) not a mistake. Reminds me of a very old grammar joke, husband interrupts wife in bed with another. Wife: "You startled me." Husband: "No dear, I am startled. You were surprised."