minor spelling in installation.rst
minor spelling in installation.rst

tomkralidis/pycsw,ocefpaf/pycsw,kalxas/pycsw,tomkralidis/pycsw,kalxas/pycsw,kevinpdavies/pycsw,ricardogsilva/pycsw,bukun/pycsw,ricardogsilva/pycsw,rouault/pycsw,bukun/pycsw,PublicaMundi/pycsw,ingenieroariel/pycsw,mwengren/pycsw,rouault/pycsw,ocefpaf/pycsw,benhowell/pycsw,kevinpdavies/pycsw,geopython/pycsw,ingenieroariel/pycsw,benhowell/pycsw,ckan-fcd/pycsw-fcd,geopython/pycsw,geopython/pycsw,PublicaMundi/pycsw,ckan-fcd/pycsw-fcd,kalxas/pycsw,ricardogsilva/pycsw,bukun/pycsw,tomkralidis/pycsw,mwengren/pycsw