[1.8.x] Fixed typos in docs/ref/contrib/gis/geoquerysets.txt
[1.8.x] Fixed typos in docs/ref/contrib/gis/geoquerysets.txt

Backport of 64ed8cdc9f2f7333b2a9fd6b318f520278c39293 from master

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