Typo fix in Nginx docs

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Provided by anonymous 47497

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@334697 c90b9560-bf6c-de11-be94-00142212c4b1
Grammar fix in OOP docs

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Provided by anonymous 47813

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@334698 c90b9560-bf6c-de11-be94-00142212c4b1
Casing consistency fix in OOP docs

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Provided by anonymous 47943

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@334699 c90b9560-bf6c-de11-be94-00142212c4b1