docs: disambiguation

close gitalk#13

Author: booxood

readme-cn.md

@@ -47,7 +47,7 @@ var gitalk = new Gitalk({
  clientSecret: 'Github Application Client Secret',
  repo: 'Github repo',
  owner: 'Github repo owner',
- admin: ['Github repo collaborators'],
+ admin: ['Github repo owner and collaborators, only these guys can initialize github issues'],
 })
 
 gitalk.render('gitalk-container')
@@ -74,7 +74,7 @@ gitalk.render('gitalk-container')
 
 - **admin** `Array` 
 
- **必须**. Github repository 合作者 (确保对这个 repository 是有写的权限)。
+ **必须**. Github repository 的所有者和合作者 (对这个 repository 有写权限的用户)。
 
 - **id** `String` 
 

readme-zh.md

@@ -48,7 +48,7 @@ var gitalk = new Gitalk({
  clientSecret: 'Github Application Client Secret',
  repo: 'Github repo',
  owner: 'Github repo owner',
- admin: ['Github repo collaborators'],
+ admin: ['Github repo owner and collaborators, only these guys can initialize github issues'],
 })
 
 gitalk.render('gitalk-container')
@@ -75,7 +75,7 @@ gitalk.render('gitalk-container')
 
 - **admin** `Array`
 
- **必須**. Github repository 合作者 (確保對這個 repository 是有寫入的權限)。
+ **必須**. Github repository 的所有者和合作者 (對這個 repository 有寫權限的用戶)。
 
 - **id** `String`
 

readme.md

@@ -50,7 +50,7 @@ const gitalk = new Gitalk({
  clientSecret: 'Github Application Client Secret',
  repo: 'Github repo',
  owner: 'Github repo owner',
- admin: ['Github repo collaborators, only these guys can initialize github issues'],
+ admin: ['Github repo owner and collaborators, only these guys can initialize github issues'],
  // facebook-like distraction free mode
  distractionFreeMode: false
 })
@@ -79,7 +79,7 @@ gitalk.render('gitalk-container')
 
 - **admin** `Array` 
 
- **Required**. Github repository collaborators. (Ensure having write access to this repository)
+ **Required**. Github repository owner and collaborators. (Users who having write access to this repository)
 
 - **id** `String`