修改错别字
Merge pull request #25 from blueplanet/gh-pages

修改错别字
add today's work
修改错别字
修改错别字
修改错别字
Merge pull request #26 from blueplanet/gh-pages

修改错别字
wow, all chapters are translated
fix link error in readme
fix some typos in the chapter1
chapter3 里的错别字
fix some typos in the chapter2
chapter10 标点符号使用不当
 chapter11 拼写错误
chapter11 拼写错误
chapter11 拼写错误
chapter11 拼写错误和语句不通顺
chapter11 拼写错误
chapter11 拼写错误
chapter11 标点使用不当