doc corrections

[Han-Wen Nienhuys]

address@hidden writes:
> I was doing some work on the docs; proofreading etc. and got bogged down
> with other things.  I hope to get something more done soon.  In the
> meantime, however, I have this correction to offer to the docs in
> general:
> 
> Many times there are references to "central C".  They should all be
> changed to "middle C".

thanks, fixed.
-- 

 Han-Wen Nienhuys   |   address@hidden   |   http://www.xs4all.nl/~hanwen