The modification is to replace Boolos' third clarifying remark with the following:: Whether Random says "ja" or "da" should be thought of as depending on the flip of a coin hidden in his brain: if the coin comes down heads, he says "ja"; if tails, he says "da".
* Whether Random says 'ja' or 'da' should be thought of as depending on the flip of a coin hidden in his brain: if the coin comes down heads, he says 'ja'; if tails, he says 'da'.