Corrected slugify()'s docstring.
Corrected slugify()'s docstring.

wkschwartz/django,felixxm/django,auvipy/django,dsanders11/django,pauloxnet/django,pauloxnet/django,koordinates/django,dsanders11/django,MarkusH/django,ghickman/django,django/django,elena/django,adamchainz/django,googleinterns/django,MarkusH/django,koordinates/django,shaib/django,felixxm/django,elena/django,wkschwartz/django,django/django,monetate/django,felixxm/django,wkschwartz/django,ghickman/django,blighj/django,rsalmaso/django,theo-l/django,takis/django,adamchainz/django,koordinates/django,apollo13/django,solarissmoke/django,solarissmoke/django,blighj/django,blighj/django,manhhomienbienthuy/django,apollo13/django,adamchainz/django,auvipy/django,adamchainz/django,shaib/django,freakboy3742/django,MarkusH/django,manhhomienbienthuy/django,auvipy/django,takis/django,googleinterns/django,dsanders11/django,takis/django,monetate/django,freakboy3742/django,theo-l/django,freakboy3742/django,atul-bhouraskar/django,django/django,apollo13/django,monetate/django,felixxm/django,pauloxnet/django,koordinates/django,elena/django,ghickman/django,elena/django,googleinterns/django,django/django,atul-bhouraskar/django,atul-bhouraskar/django,MarkusH/django,solarissmoke/django,blighj/django,solarissmoke/django,atul-bhouraskar/django,takis/django,googleinterns/django,ghickman/django,rsalmaso/django,theo-l/django,pauloxnet/django,shaib/django,theo-l/django,dsanders11/django,rsalmaso/django,manhhomienbienthuy/django,apollo13/django,wkschwartz/django,shaib/django,manhhomienbienthuy/django,rsalmaso/django,auvipy/django,monetate/django