Very clever of Ifor to fit all the letters of the two messages into the clues in such a novel way. Presumably the second message applies only to 8d and not to the whole grid!
I have a problem even with that one word. If all the letters are intended to be covered by the message, one of the across entries is changed into a word different from the one clued. It would have been so easy, and so much more elegant, for that word to be clued.