These are the documents I'm referring to:

1) See Paul G's recent article: http://paulgraham.com/hiresfund.html

2) And his recent tweets and comments, including this one, where he says / suggests that YC will soon be releasing model Convertible Note documents similar to the model equity documents they released a while back: http://news.ycombinator.com/item?id=1657906

Thanks :)

PS: Sorry if this question has already been answered.