fixing typos in autocorrelation tutorial
fixing typos in autocorrelation tutorial

darribas/pysal,pysal/pysal,spreg-git/pysal,pedrovma/pysal,sjsrey/pysal_core,TaylorOshan/pysal,nathania/pysal,pastephens/pysal,lixun910/pysal,sjsrey/pysal,ljwolf/pysal,sjsrey/pysal_core,darribas/pysal,weikang9009/pysal,TaylorOshan/pysal,lanselin/pysal,pastephens/pysal,dfolch/pysal,lixun910/pysal,chhao91/pysal,jlaura/pysal,lixun910/pysal,jlaura/pysal,hasecbinusr/pysal,ljwolf/pysal,sjsrey/pysal_core,TaylorOshan/pysal,chhao91/pysal,ljwolf/pysal_core,badjr/pysal,jlaura/pysal,dfolch/pysal,schmidtc/pysal,hasecbinusr/pysal,spreg-git/pysal,schmidtc/pysal,ljwolf/pysal_core,nathania/pysal,ljwolf/pysal,hasecbinusr/pysal,pastephens/pysal,ljwolf/pysal_core,badjr/pysal