Correct Get role Url in rest teams API 

This Rest  API  is not working. Please can you Correct the Get role Url in [rest api Get role](https://www.appveyor.com/docs/api/team/#get-role)
**The Original is invalid:** 
```
Get role
Request:

GET /api/users/{roleId}
```
It should be updated to:
```
GET /api/roles/{roleId}
```