[1.5.x] Added missing preposition in documentation
[1.5.x] Added missing preposition in documentation

Backport of 2ec54e7fbc from master

alx-eu/django,hasadna/django,imtapps/django-imt-fork,ccn-2m/django,ccn-2m/django,alx-eu/django,alx-eu/django,ccn-2m/django,ccn-2m/django,alx-eu/django,imtapps/django-imt-fork,hasadna/django,hasadna/django,bliti/django-nonrel-1.5,bliti/django-nonrel-1.5,imtapps/django-imt-fork,bliti/django-nonrel-1.5