I recall that they kept editing that document based on changes to the roadster specs. For instance, the document at the link provided is the original one and says:
"an electric motor"..."continues to deliver high power beyond 13,500 rpm."
"a typical gasoline car can go more than 250 miles on a tank of gas."
I recall that these values were later changed to 13,000 and 200 respectively.
Also that document talks about no need for a clutch, and that was later removed. Perhaps they need to do more edits to the document to keep it in line with further evolving Roadster specs?