[DOC] minor fix in installation guide
[DOC] minor fix in installation guide

indhub/mxnet,gautamkmr/incubator-mxnet,smolix/incubator-mxnet,stefanhenneking/mxnet,szha/mxnet,kevinthesun/mxnet,sxjscience/mxnet,dmlc/mxnet,ShownX/incubator-mxnet,reminisce/mxnet,luoyetx/mxnet,smolix/incubator-mxnet,arank/mxnet,indhub/mxnet,Northrend/mxnet,gautamkmr/incubator-mxnet,Prasad9/incubator-mxnet,piiswrong/mxnet,szha/mxnet,yuruofeifei/mxnet,antoan2/incubator-mxnet,jiajiechen/mxnet,TuSimple/mxnet,zhreshold/mxnet,apaleyes/mxnet,sergeykolychev/mxnet,likelyzhao/mxnet,hpi-xnor/BMXNet,szha/mxnet,solin319/incubator-mxnet,tornadomeet/mxnet,ShownX/incubator-mxnet,jennyzhang0215/incubator-mxnet,kevinthesun/mxnet,arank/mxnet,rahul003/mxnet,EvanzzzZ/mxnet,dmlc/mxnet,hotpxl/mxnet,stefanhenneking/mxnet,crazy-cat/incubator-mxnet,eric-haibin-lin/mxnet,indhub/mxnet,yuruofeifei/mxnet,leezu/mxnet,antoan2/incubator-mxnet,formath/mxnet,solin319/incubator-mxnet,rishita/mxnet,yuruofeifei/mxnet,jennyzhang0215/incubator-mxnet,ykim362/mxnet,LinkHS/incubator-mxnet,indhub/mxnet,jamesliu/mxnet,ForkedReposBak/mxnet,Prasad9/incubator-mxnet,apaleyes/mxnet,formath/mxnet,navrasio/mxnet,wangyum/mxnet,DR08/mxnet,lxn2/mxnet,DR08/mxnet,zhreshold/mxnet,hpi-xnor/BMXNet,lxn2/mxnet,arikpoz/mxnet,pluskid/mxnet,coder-james/mxnet,zhreshold/mxnet,dmlc/mxnet,apaleyes/mxnet,hotpxl/mxnet,larroy/mxnet,rahul003/mxnet,ShownX/incubator-mxnet,stefanhenneking/mxnet,jermainewang/mxnet,reminisce/mxnet,apaleyes/mxnet,jamesliu/mxnet,danithaca/mxnet,jamesliu/mxnet,madjam/mxnet,hesseltuinhof/mxnet,arank/mxnet,gautamkmr/incubator-mxnet,kkk669/mxnet,crazy-cat/incubator-mxnet,indhub/mxnet,smolix/incubator-mxnet,likelyzhao/mxnet,vikingMei/mxnet,CodingCat/mxnet,gautamkmr/incubator-mxnet,ZihengJiang/mxnet,tornadomeet/mxnet,jiajiechen/mxnet,madjam/mxnet,tornadomeet/mxnet,sxjscience/mxnet,apaleyes/mxnet,weleen/mxnet,szha/mxnet,szha/mxnet,kevinthesun/mxnet,DickJC123/mxnet,piiswrong/mxnet,coder-james/mxnet,weleen/mxnet,kkk669/mxnet,zhreshold/mxnet,dmlc/mxnet,solin319/incubator-mxnet,ForkedReposBak/mxnet,antoan2/incubator-mxnet,mbaijal/incubator-mxnet,tornadomeet/mxnet,jiajiechen/mxnet,coder-james/mxnet,rahul003/mxnet,thirdwing/mxnet,DickJC123/mxnet,weleen/mxnet,szha/mxnet,ZihengJiang/mxnet,madjam/mxnet,Prasad9/incubator-mxnet,gautamkmr/incubator-mxnet,precedenceguo/mxnet,Guneet-Dhillon/mxnet,Guneet-Dhillon/mxnet,Northrend/mxnet,arikpoz/mxnet,wangyum/mxnet,gautamkmr/incubator-mxnet,leezu/mxnet,coder-james/mxnet,apaleyes/mxnet,rahul003/mxnet,LinkHS/incubator-mxnet,solin319/incubator-mxnet,dmlc/mxnet,antoan2/incubator-mxnet,saurabh3949/mxnet,navrasio/mxnet,xcgoner/dist-mxnet,saurabh3949/mxnet,leezu/mxnet,larroy/mxnet,ShownX/incubator-mxnet,piiswrong/mxnet,solin319/incubator-mxnet,arikpoz/mxnet,jermainewang/mxnet,nicklhy/mxnet,fullfanta/mxnet,Mega-DatA-Lab/mxnet,arank/mxnet,vikingMei/mxnet,stefanhenneking/mxnet,Northrend/mxnet,ykim362/mxnet,eric-haibin-lin/mxnet,ptrendx/mxnet,TuSimple/mxnet,jennyzhang0215/incubator-mxnet,reminisce/mxnet,kkk669/mxnet,yajiedesign/mxnet,apache/incubator-mxnet,reminisce/mxnet,Ldpe2G/mxnet,ZihengJiang/mxnet,Ldpe2G/mxnet,Ldpe2G/mxnet,jiajiechen/mxnet,tornadomeet/mxnet,arikpoz/mxnet,wangyum/mxnet,mbaijal/incubator-mxnet,Prasad9/incubator-mxnet,CodingCat/mxnet,hesseltuinhof/mxnet,sxjscience/mxnet,leezu/mxnet,DickJC123/mxnet,danithaca/mxnet,saurabh3949/mxnet,antoan2/incubator-mxnet,sergeykolychev/mxnet,Prasad9/incubator-mxnet,Mega-DatA-Lab/mxnet,nicklhy/mxnet,sxjscience/mxnet,luoyetx/mxnet,precedenceguo/mxnet,crazy-cat/incubator-mxnet,antoan2/incubator-mxnet,reminisce/mxnet,weleen/mxnet,LinkHS/incubator-mxnet,ForkedReposBak/mxnet,coder-james/mxnet,indhub/mxnet,vikingMei/mxnet,arank/mxnet,Mega-DatA-Lab/mxnet,hotpxl/mxnet,tlby/mxnet,madjam/mxnet,rishita/mxnet,yuruofeifei/mxnet,reminisce/mxnet,weleen/mxnet,larroy/mxnet,fullfanta/mxnet,ForkedReposBak/mxnet,thirdwing/mxnet,kkk669/mxnet,nicklhy/mxnet,vikingMei/mxnet,yajiedesign/mxnet,zhreshold/mxnet,tlby/mxnet,ptrendx/mxnet,solin319/incubator-mxnet,larroy/mxnet,Mega-DatA-Lab/mxnet,mbaijal/incubator-mxnet,hotpxl/mxnet,rahul003/mxnet,navrasio/mxnet,kevinthesun/mxnet,Prasad9/incubator-mxnet,leezu/mxnet,Northrend/mxnet,crazy-cat/incubator-mxnet,luoyetx/mxnet,jermainewang/mxnet,xcgoner/dist-mxnet,hesseltuinhof/mxnet,thirdwing/mxnet,sergeykolychev/mxnet,ShownX/incubator-mxnet,smolix/incubator-mxnet,eric-haibin-lin/mxnet,Ldpe2G/mxnet,dmlc/mxnet,hpi-xnor/BMXNet,saurabh3949/mxnet,stefanhenneking/mxnet,smolix/incubator-mxnet,eric-haibin-lin/mxnet,sxjscience/mxnet,wangyum/mxnet,formath/mxnet,piiswrong/mxnet,sxjscience/mxnet,xcgoner/dist-mxnet,likelyzhao/mxnet,ptrendx/mxnet,formath/mxnet,indhub/mxnet,apache/incubator-mxnet,Guneet-Dhillon/mxnet,zhreshold/mxnet,tornadomeet/mxnet,szha/mxnet,TuSimple/mxnet,jamesliu/mxnet,weleen/mxnet,leezu/mxnet,luoyetx/mxnet,sergeykolychev/mxnet,luoyetx/mxnet,danithaca/mxnet,precedenceguo/mxnet,zhreshold/mxnet,jermainewang/mxnet,arank/mxnet,arank/mxnet,reminisce/mxnet,ykim362/mxnet,nicklhy/mxnet,hotpxl/mxnet,zhreshold/mxnet,piiswrong/mxnet,ptrendx/mxnet,solin319/incubator-mxnet,ForkedReposBak/mxnet,rishita/mxnet,arank/mxnet,precedenceguo/mxnet,hotpxl/mxnet,rishita/mxnet,lxn2/mxnet,navrasio/mxnet,navrasio/mxnet,smolix/incubator-mxnet,saurabh3949/mxnet,yajiedesign/mxnet,apache/incubator-mxnet,gautamkmr/incubator-mxnet,lxn2/mxnet,fullfanta/mxnet,tlby/mxnet,hpi-xnor/BMXNet,pluskid/mxnet,lxn2/mxnet,kevinthesun/mxnet,stefanhenneking/mxnet,tlby/mxnet,LinkHS/incubator-mxnet,navrasio/mxnet,CodingCat/mxnet,likelyzhao/mxnet,zhreshold/mxnet,gautamkmr/incubator-mxnet,ptrendx/mxnet,EvanzzzZ/mxnet,fullfanta/mxnet,reminisce/mxnet,coder-james/mxnet,eric-haibin-lin/mxnet,jermainewang/mxnet,jiajiechen/mxnet,Prasad9/incubator-mxnet,weleen/mxnet,pluskid/mxnet,ZihengJiang/mxnet,stefanhenneking/mxnet,DR08/mxnet,madjam/mxnet,ptrendx/mxnet,tornadomeet/mxnet,mbaijal/incubator-mxnet,Guneet-Dhillon/mxnet,Guneet-Dhillon/mxnet,rishita/mxnet,leezu/mxnet,lxn2/mxnet,CodingCat/mxnet,vikingMei/mxnet,hesseltuinhof/mxnet,wangyum/mxnet,ShownX/incubator-mxnet,Prasad9/incubator-mxnet,pluskid/mxnet,weleen/mxnet,nicklhy/mxnet,smolix/incubator-mxnet,kevinthesun/mxnet,antoan2/incubator-mxnet,ShownX/incubator-mxnet,ykim362/mxnet,piiswrong/mxnet,arikpoz/mxnet,jennyzhang0215/incubator-mxnet,reminisce/mxnet,EvanzzzZ/mxnet,kkk669/mxnet,solin319/incubator-mxnet,danithaca/mxnet,vikingMei/mxnet,ptrendx/mxnet,Mega-DatA-Lab/mxnet,sergeykolychev/mxnet,ForkedReposBak/mxnet,pluskid/mxnet,wangyum/mxnet,hesseltuinhof/mxnet,Ldpe2G/mxnet,likelyzhao/mxnet,Mega-DatA-Lab/mxnet,jennyzhang0215/incubator-mxnet,ZihengJiang/mxnet,szha/mxnet,piiswrong/mxnet,antoan2/incubator-mxnet,sxjscience/mxnet,yajiedesign/mxnet,DR08/mxnet,piiswrong/mxnet,coder-james/mxnet,CodingCat/mxnet,sergeykolychev/mxnet,hpi-xnor/BMXNet,DickJC123/mxnet,mbaijal/incubator-mxnet,saurabh3949/mxnet,EvanzzzZ/mxnet,arikpoz/mxnet,Northrend/mxnet,ykim362/mxnet,likelyzhao/mxnet,sxjscience/mxnet,LinkHS/incubator-mxnet,yajiedesign/mxnet,LinkHS/incubator-mxnet,Northrend/mxnet,eric-haibin-lin/mxnet,thirdwing/mxnet,LinkHS/incubator-mxnet,larroy/mxnet,ZihengJiang/mxnet,dmlc/mxnet,danithaca/mxnet,yajiedesign/mxnet,fullfanta/mxnet,DR08/mxnet,crazy-cat/incubator-mxnet,pluskid/mxnet,ptrendx/mxnet,thirdwing/mxnet,kkk669/mxnet,tlby/mxnet,weleen/mxnet,danithaca/mxnet,apache/incubator-mxnet,formath/mxnet,LinkHS/incubator-mxnet,apaleyes/mxnet,yajiedesign/mxnet,likelyzhao/mxnet,thirdwing/mxnet,TuSimple/mxnet,navrasio/mxnet,ForkedReposBak/mxnet,jennyzhang0215/incubator-mxnet,formath/mxnet,danithaca/mxnet,larroy/mxnet,kevinthesun/mxnet,fullfanta/mxnet,ShownX/incubator-mxnet,ykim362/mxnet,DR08/mxnet,saurabh3949/mxnet,rahul003/mxnet,Guneet-Dhillon/mxnet,nicklhy/mxnet,yajiedesign/mxnet,apaleyes/mxnet,Northrend/mxnet,ykim362/mxnet,coder-james/mxnet,sergeykolychev/mxnet,larroy/mxnet,jamesliu/mxnet,kkk669/mxnet,pluskid/mxnet,vikingMei/mxnet,jermainewang/mxnet,ykim362/mxnet,yuruofeifei/mxnet,hesseltuinhof/mxnet,rishita/mxnet,jamesliu/mxnet,sergeykolychev/mxnet,Prasad9/incubator-mxnet,likelyzhao/mxnet,Ldpe2G/mxnet,likelyzhao/mxnet,jermainewang/mxnet,ForkedReposBak/mxnet,jennyzhang0215/incubator-mxnet,danithaca/mxnet,eric-haibin-lin/mxnet,thirdwing/mxnet,nicklhy/mxnet,jermainewang/mxnet,precedenceguo/mxnet,ptrendx/mxnet,kkk669/mxnet,yuruofeifei/mxnet,EvanzzzZ/mxnet,madjam/mxnet,crazy-cat/incubator-mxnet,hotpxl/mxnet,madjam/mxnet,reminisce/mxnet,szha/mxnet,smolix/incubator-mxnet,jiajiechen/mxnet,arikpoz/mxnet,saurabh3949/mxnet,navrasio/mxnet,hesseltuinhof/mxnet,crazy-cat/incubator-mxnet,TuSimple/mxnet,jiajiechen/mxnet,CodingCat/mxnet,fullfanta/mxnet,Guneet-Dhillon/mxnet,nicklhy/mxnet,ykim362/mxnet,wangyum/mxnet,smolix/incubator-mxnet,xcgoner/dist-mxnet,larroy/mxnet,rishita/mxnet,EvanzzzZ/mxnet,hesseltuinhof/mxnet,DR08/mxnet,lxn2/mxnet,DR08/mxnet,madjam/mxnet,hesseltuinhof/mxnet,fullfanta/mxnet,xcgoner/dist-mxnet,jennyzhang0215/incubator-mxnet,jiajiechen/mxnet,sergeykolychev/mxnet,dmlc/mxnet,hotpxl/mxnet,EvanzzzZ/mxnet,Northrend/mxnet,navrasio/mxnet,ptrendx/mxnet,formath/mxnet,jermainewang/mxnet,coder-james/mxnet,mbaijal/incubator-mxnet,Ldpe2G/mxnet,xcgoner/dist-mxnet,Northrend/mxnet,luoyetx/mxnet,larroy/mxnet,xcgoner/dist-mxnet,stefanhenneking/mxnet,CodingCat/mxnet,thirdwing/mxnet,CodingCat/mxnet,jennyzhang0215/incubator-mxnet,arank/mxnet,TuSimple/mxnet,EvanzzzZ/mxnet,xcgoner/dist-mxnet,nicklhy/mxnet,rishita/mxnet,tornadomeet/mxnet,antoan2/incubator-mxnet,tornadomeet/mxnet,DR08/mxnet,tlby/mxnet,Ldpe2G/mxnet,jamesliu/mxnet,mbaijal/incubator-mxnet,sxjscience/mxnet,formath/mxnet,thirdwing/mxnet,hotpxl/mxnet,tlby/mxnet,gautamkmr/incubator-mxnet,ShownX/incubator-mxnet,stefanhenneking/mxnet,leezu/mxnet,danithaca/mxnet,luoyetx/mxnet,mbaijal/incubator-mxnet,precedenceguo/mxnet,pluskid/mxnet,Guneet-Dhillon/mxnet,dmlc/mxnet,precedenceguo/mxnet,wangyum/mxnet,hpi-xnor/BMXNet,mbaijal/incubator-mxnet,luoyetx/mxnet,kevinthesun/mxnet,indhub/mxnet,jamesliu/mxnet,apaleyes/mxnet,crazy-cat/incubator-mxnet,Guneet-Dhillon/mxnet,jiajiechen/mxnet,yuruofeifei/mxnet,rahul003/mxnet,indhub/mxnet,lxn2/mxnet,tlby/mxnet,TuSimple/mxnet,saurabh3949/mxnet,ZihengJiang/mxnet,kkk669/mxnet,precedenceguo/mxnet,TuSimple/mxnet,eric-haibin-lin/mxnet,piiswrong/mxnet,yuruofeifei/mxnet,rishita/mxnet,Mega-DatA-Lab/mxnet,CodingCat/mxnet,rahul003/mxnet,EvanzzzZ/mxnet,eric-haibin-lin/mxnet,Mega-DatA-Lab/mxnet,kevinthesun/mxnet,Mega-DatA-Lab/mxnet,ForkedReposBak/mxnet,yajiedesign/mxnet,rahul003/mxnet,jamesliu/mxnet,madjam/mxnet,vikingMei/mxnet,luoyetx/mxnet,fullfanta/mxnet,tlby/mxnet,wangyum/mxnet,arikpoz/mxnet,solin319/incubator-mxnet,TuSimple/mxnet,hpi-xnor/BMXNet,LinkHS/incubator-mxnet,leezu/mxnet,TuSimple/mxnet,yuruofeifei/mxnet,tlby/mxnet,arikpoz/mxnet,lxn2/mxnet,vikingMei/mxnet,crazy-cat/incubator-mxnet,hpi-xnor/BMXNet,hpi-xnor/BMXNet,formath/mxnet,xcgoner/dist-mxnet,pluskid/mxnet,ZihengJiang/mxnet,ZihengJiang/mxnet,Ldpe2G/mxnet,precedenceguo/mxnet