我认为加粗“空格”，修改使其加粗生效
Merge pull request #7 from diguage/patch-1

加粗“空格”两个字(Bold two words, "空格")
Merge pull request #8 from johnnywjy/master

translated some paragraphs
Merge pull request #1 from JuanitoFatas/master

加粗 "空格"