Update index.rst
Update index.rst

typo
waddell/urbansim,AZMAG/urbansim,synthicity/urbansim,waddell/urbansim,bricegnichols/urbansim,synthicity/urbansim,bricegnichols/urbansim,VladimirTyrin/urbansim,SANDAG/urbansim,bricegnichols/urbansim,synthicity/urbansim,AZMAG/urbansim,UDST/urbansim,SANDAG/urbansim,ual/urbansim,waddell/urbansim,apdjustino/urbansim,AZMAG/urbansim,VladimirTyrin/urbansim,UDST/urbansim,apdjustino/urbansim,VladimirTyrin/urbansim,apdjustino/urbansim,apdjustino/urbansim,VladimirTyrin/urbansim,UDST/urbansim,synthicity/urbansim,UDST/urbansim,bricegnichols/urbansim,SANDAG/urbansim,SANDAG/urbansim,AZMAG/urbansim,ual/urbansim,waddell/urbansim,ual/urbansim,ual/urbansim