[patch] documentation fixes

[Dominique Pellé]

Attached patch fixes few mistakes in Vim documentation.

Regards
Dominique

[Bram Moolenaar]

Dominique wrote:

> Attached patch fixes few mistakes in Vim documentation.

Thanks!

--
An operatingsystem is just a name you give to the rest of bloating
idiosyncratic machine-based-features you left out of your editor.
(author unknown)

/// Bram Moolenaar -- Br...@Moolenaar.net -- http://www.Moolenaar.net \\\
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