[m-rev.] for post-commit review: fix io section of transition guide

[Paul Bone]

On Wed, Feb 11, 2015 at 09:31:19AM +1100, Zoltan Somogyi wrote:
> For post-commit review by anyone.
> 
> I will look at the other sections later.
> 

Just a note that people don't have to be part of the CoreTeam(tm) to feel
like they can review a patch.  Micheal, it's appropriate for you to review
this patch, if feel inclined.  This is not a requirement though.

Thanks.


-- 
Paul Bone