[MERGE] Fixing Typos in documentation

[Alexander Belchenko]

John Arbash Meinel пишет:
>> Thanks for these changes. I wonder what caused so many doubled-up words?
>>
> 
> Possibly just the human behavior of ignoring them. When reading a
> sentence we can easily not even notice doubled words, especially if they
> wrap across a line.

As a non-English person I'm always puzzled by this doubled words.
I've thought it's a kind of Australian slang.