[1.8.x] Fixed download instructions for cities shapefile
[1.8.x] Fixed download instructions for cities shapefile

Thanks Daniel Wiesmann for spotting the issue.
Backport of 57d42aef97 from master.

h4r5h1t/django-hauthy,pquentin/django,h4r5h1t/django-hauthy,pquentin/django,pquentin/django,h4r5h1t/django-hauthy,h4r5h1t/django-hauthy