The map comes with a german text. Here is a rough online translation as I don't speak it. Anyone whos does is welcome to post his. Thanks.
"The enemy becomes in altogether two attack waves against your vergammelte stinks to Burganrennen. Do not let you from the deceitful peace be deceptive. Oh do not forget the ollen bekkifften bum king niederzumetseln, who entrenchd itself with its adretten house friends in the castle (who knows which makes the piglet with those for pig-pure, tststs) had you probably; -) ++++Noctifer++++ "