flatten-dict question incorrect answer compared

I would like to give some feedback about the flatten-dict question:

The requested answer is incorrect as it has namenaick :" " where as it should be name/nick:" "

From: https://py.checkio.org/mission/flatten-dict/solve/

HTTP_USER_AGENT:

Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36