[docs] [issue21860] Correct FileIO docstrings

[Berker Peksag]

Berker Peksag added the comment:

Thanks for the patch, Terry.

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assignee: haypo -> berker.peksag
nosy: +berker.peksag
resolution:  -> fixed
stage: commit review -> resolved
status: open -> closed
versions: +Python 3.5 -Python 3.3

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21860>
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