Document Update Instructions have been revised

[David T.]

> On Feb 7, 2017, at 7:14 PM, Frank H. Ellenberger <frank.h.ellenberger at gmail.com> wrote:
> 
> Hi David,
> 
> Am 07.02.2017 um 11:29 schrieb David T.:
>> Chris, No. I haven't tried John's suggestion. My current mac is five
>> years old, and I had already downloaded the full xcode upgrade when
>> John made the suggestion. I'll note that the wiki still instructs mac
>> users to install the full xcode suite. If it's no longer true, then
>> the wiki needs correction. David
> 
> Go for it. You are the Mac experts. ;-)
> 
> ~Frank

Frank,

I’m no expert, and I haven’t tested John’s solution, so I don’t know whether it’s true.

David