[fix] Copy-paste mistake

This doc is about the ‘Meta’ API, not the ‘User’ one.

Author: miclf

doc/meta.md

@@ -1,8 +1,8 @@
-## Users API
+## Meta API
 [Back to the navigation](README.md)
 
 
-Wrap [GitHub User API](http://developer.github.com/v3/meta/).
+Wrap [GitHub Meta API](http://developer.github.com/v3/meta/).
 
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