Merge pull request #39 from qiuyingtao/patch-1

改了几个单词的官方写法，有点吹毛求疵，不过还是提一下吧

README.md

@@ -14,7 +14,7 @@
 | cache [🔊](http://dict.youdao.com/dictvoice?audio=cache&type=2) | ✅ [kæʃ] | ❌ [kætʃ] |
 | digest [🔊](http://dict.youdao.com/dictvoice?audio=digest&type=2) | ✅ [daɪ'dʒɛst] | ❌ ['digɛst] |
 | doc [🔊](http://dict.youdao.com/dictvoice?audio=doc&type=2) | ✅ [dɔk]| ❌ [daʊk] |
-| git [🔊](http://dict.youdao.com/dictvoice?audio=git&type=2) | ✅ [ɡɪt] | ❌ [dʒɪt; jɪt] |
+| Git [🔊](http://dict.youdao.com/dictvoice?audio=git&type=2) | ✅ [ɡɪt] | ❌ [dʒɪt; jɪt] |
 | GNU | ✅ [gnu:] | |
 | GUI | ✅ [ˈɡui] | |
 | hidden [🔊](http://dict.youdao.com/dictvoice?audio=hidden&type=2) | ✅ ['hɪdn] | ❌ ['haidn] |
@@ -22,7 +22,7 @@
 | integer [🔊](http://dict.youdao.com/dictvoice?audio=integer&type=2) | ✅ [ˈɪntɪdʒə] | ❌ [ˈɪntaɪgə] |
 | issue [🔊](http://dict.youdao.com/dictvoice?audio=issue&type=2) | ✅ [ˈɪʃu] | ❌ [ˈaɪʃu] |
 | jpg(jpeg) [🔊](http://dict.youdao.com/dictvoice?audio=JPEG&type=2) | ✅ [ˈdʒeɪpɛɡ] | |
-| linux [🔊](http://dict.youdao.com/dictvoice?audio=linux&type=2) | ✅ [ˈlɪnəks] | ❌ [ˈlɪnʌks; ˈlɪnju:ks] |
+| Linux [🔊](http://dict.youdao.com/dictvoice?audio=linux&type=2) | ✅ [ˈlɪnəks] | ❌ [ˈlɪnʌks; ˈlɪnju:ks] |
 | main [🔊](http://dict.youdao.com/dictvoice?audio=main&type=2) | ✅ [meɪn] | ❌ [mɪn] |
 | margin [🔊](http://dict.youdao.com/dictvoice?audio=margin&type=2) | ✅ ['mɑrdʒən] | ❌ ['mʌgin] |
 | maven [🔊](http://dict.youdao.com/dictvoice?audio=maven&type=2) | ✅ ['meɪvən] | ❌ ['ma:vən] |
@@ -35,7 +35,7 @@
 | sudo | ✅ ['su:du:] | |
 | suite [🔊](http://dict.youdao.com/dictvoice?audio=suite&type=2) | ✅ [sut; swit] | ❌ [sjuːt] |
 | typical [🔊](http://dict.youdao.com/dictvoice?audio=typical&type=2) | ✅ ['tɪpɪkl] | ❌ ['taɪpɪkəl] |
-| youtube [🔊](http://dict.youdao.com/dictvoice?audio=youtube&type=2) | ✅ ['ju: 'tju:b] | ❌ ['ju:'tubɪ] |
+| YouTube [🔊](http://dict.youdao.com/dictvoice?audio=youtube&type=2) | ✅ ['ju: 'tju:b] | ❌ ['ju:'tubɪ] |