Update to WWW Docs for Contributing Doc Patches [wwwdocs]

[Gerald Pfeifer]

On Wed, 29 Sep 2010, Ralf Wildenhues wrote:
>> So, should we hold off Tom's documentation patch for now?
> IMHO you shouldn't.  The text can still be simplified when the
> requirement for a previous bootstrap is not needed any more for the
> build environment to get set up on any of the active branches.

Okay, so I went ahead and committed my proposed patch which is
based on Tom's suggestion; included below again for reference.

Thanks Tom, and sorry for the delay!

Gerald

PS: And, please, do complain if you don't see traction with any of your 
submissions; sometimes things simply may fall through the cracks.