Fixed typo in docs/releases/3.1.13.txt.
Fixed typo in docs/releases/3.1.13.txt.


MarkusH/django,solarissmoke/django,atul-bhouraskar/django,dsanders11/django,felixxm/django,blighj/django,django/django,felixxm/django,MarkusH/django,django/django,dsanders11/django,monetate/django,MarkusH/django,monetate/django,ghickman/django,shaib/django,auvipy/django,blighj/django,rsalmaso/django,dsanders11/django,apollo13/django,takis/django,MarkusH/django,felixxm/django,auvipy/django,felixxm/django,atul-bhouraskar/django,pauloxnet/django,atul-bhouraskar/django,monetate/django,pauloxnet/django,solarissmoke/django,atul-bhouraskar/django,takis/django,rsalmaso/django,pauloxnet/django,shaib/django,ghickman/django,manhhomienbienthuy/django,solarissmoke/django,dsanders11/django,apollo13/django,takis/django,rsalmaso/django,manhhomienbienthuy/django,blighj/django,shaib/django,apollo13/django,pauloxnet/django,django/django,django/django,manhhomienbienthuy/django,manhhomienbienthuy/django,ghickman/django,solarissmoke/django,takis/django,shaib/django,rsalmaso/django,monetate/django,auvipy/django,apollo13/django,blighj/django,ghickman/django,auvipy/django