Hironori Shiina 91049ad85d Fix a few grammatical errors in docs
This patch fixes a few grammatical errors in documentation.

Change-Id: I5aa92537165aa452649f71e94d6d569011b78fa4
2016-09-28 17:28:49 +09:00
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2016-09-02 11:51:16 +00:00
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