DOC: fix a couple mistakes in the indexing documentation
DOC: fix a couple mistakes in the indexing documentation

closes gh-618

stuarteberg/numpy,yiakwy/numpy,madphysicist/numpy,githubmlai/numpy,hainm/numpy,jorisvandenbossche/numpy,charris/numpy,ContinuumIO/numpy,CMartelLML/numpy,mindw/numpy,tdsmith/numpy,ekalosak/numpy,Eric89GXL/numpy,pizzathief/numpy,GrimDerp/numpy,hainm/numpy,shoyer/numpy,BabeNovelty/numpy,rhythmsosad/numpy,mwiebe/numpy,MichaelAquilina/numpy,Srisai85/numpy,gmcastil/numpy,ahaldane/numpy,bmorris3/numpy,rajathkumarmp/numpy,endolith/numpy,groutr/numpy,groutr/numpy,grlee77/numpy,Eric89GXL/numpy,rudimeier/numpy,hainm/numpy,kirillzhuravlev/numpy,anntzer/numpy,andsor/numpy,rherault-insa/numpy,GrimDerp/numpy,jschueller/numpy,CMartelLML/numpy,SiccarPoint/numpy,githubmlai/numpy,ChanderG/numpy,chatcannon/numpy,pdebuyl/numpy,naritta/numpy,Anwesh43/numpy,jankoslavic/numpy,mattip/numpy,larsmans/numpy,BMJHayward/numpy,dch312/numpy,b-carter/numpy,Yusa95/numpy,ssanderson/numpy,sigma-random/numpy,pbrod/numpy,mathdd/numpy,mattip/numpy,ahaldane/numpy,MichaelAquilina/numpy,KaelChen/numpy,ekalosak/numpy,GaZ3ll3/numpy,pyparallel/numpy,jschueller/numpy,pbrod/numpy,sonnyhu/numpy,yiakwy/numpy,simongibbons/numpy,githubmlai/numpy,chatcannon/numpy,chatcannon/numpy,jschueller/numpy,GaZ3ll3/numpy,chiffa/numpy,mhvk/numpy,stuarteberg/numpy,Anwesh43/numpy,felipebetancur/numpy,Dapid/numpy,sigma-random/numpy,ContinuumIO/numpy,moreati/numpy,trankmichael/numpy,rudimeier/numpy,cowlicks/numpy,gfyoung/numpy,maniteja123/numpy,ChanderG/numpy,pyparallel/numpy,sonnyhu/numpy,rmcgibbo/numpy,mwiebe/numpy,WarrenWeckesser/numpy,joferkington/numpy,dato-code/numpy,AustereCuriosity/numpy,jonathanunderwood/numpy,githubmlai/numpy,anntzer/numpy,mattip/numpy,jakirkham/numpy,jakirkham/numpy,njase/numpy,dwillmer/numpy,GaZ3ll3/numpy,GrimDerp/numpy,ViralLeadership/numpy,Linkid/numpy,dimasad/numpy,anntzer/numpy,rajathkumarmp/numpy,joferkington/numpy,rgommers/numpy,pdebuyl/numpy,kirillzhuravlev/numpy,seberg/numpy,ahaldane/numpy,MaPePeR/numpy,WarrenWeckesser/numpy,pbrod/numpy,ContinuumIO/numpy,NextThought/pypy-numpy,pbrod/numpy,nguyentu1602/numpy,mortada/numpy,rmcgibbo/numpy,NextThought/pypy-numpy,jschueller/numpy,simongibbons/numpy,Eric89GXL/numpy,dimasad/numpy,naritta/numpy,jakirkham/numpy,empeeu/numpy,Anwesh43/numpy,moreati/numpy,mortada/numpy,skymanaditya1/numpy,chiffa/numpy,has2k1/numpy,sinhrks/numpy,Eric89GXL/numpy,sigma-random/numpy,BabeNovelty/numpy,maniteja123/numpy,ajdawson/numpy,shoyer/numpy,mingwpy/numpy,madphysicist/numpy,seberg/numpy,MichaelAquilina/numpy,pbrod/numpy,BabeNovelty/numpy,dato-code/numpy,mhvk/numpy,drasmuss/numpy,mathdd/numpy,b-carter/numpy,pdebuyl/numpy,pizzathief/numpy,jorisvandenbossche/numpy,Yusa95/numpy,ChanderG/numpy,AustereCuriosity/numpy,numpy/numpy,ChristopherHogan/numpy,madphysicist/numpy,felipebetancur/numpy,BMJHayward/numpy,andsor/numpy,joferkington/numpy,Linkid/numpy,tynn/numpy,shoyer/numpy,mathdd/numpy,grlee77/numpy,empeeu/numpy,abalkin/numpy,behzadnouri/numpy,ddasilva/numpy,dwillmer/numpy,rhythmsosad/numpy,bringingheavendown/numpy,Yusa95/numpy,bertrand-l/numpy,argriffing/numpy,kiwifb/numpy,ViralLeadership/numpy,utke1/numpy,leifdenby/numpy,charris/numpy,ViralLeadership/numpy,naritta/numpy,larsmans/numpy,moreati/numpy,gfyoung/numpy,kiwifb/numpy,AustereCuriosity/numpy,dwillmer/numpy,MaPePeR/numpy,sinhrks/numpy,WarrenWeckesser/numpy,rajathkumarmp/numpy,rmcgibbo/numpy,NextThought/pypy-numpy,tacaswell/numpy,brandon-rhodes/numpy,mingwpy/numpy,Linkid/numpy,BMJHayward/numpy,ekalosak/numpy,bmorris3/numpy,WarrenWeckesser/numpy,MSeifert04/numpy,mingwpy/numpy,tdsmith/numpy,mwiebe/numpy,jankoslavic/numpy,simongibbons/numpy,skymanaditya1/numpy,mhvk/numpy,utke1/numpy,WillieMaddox/numpy,MSeifert04/numpy,yiakwy/numpy,BMJHayward/numpy,nbeaver/numpy,yiakwy/numpy,dch312/numpy,Dapid/numpy,drasmuss/numpy,shoyer/numpy,SunghanKim/numpy,endolith/numpy,pizzathief/numpy,charris/numpy,ssanderson/numpy,trankmichael/numpy,tacaswell/numpy,larsmans/numpy,solarjoe/numpy,cjermain/numpy,tdsmith/numpy,njase/numpy,simongibbons/numpy,gfyoung/numpy,has2k1/numpy,SunghanKim/numpy,dwillmer/numpy,solarjoe/numpy,BabeNovelty/numpy,WarrenWeckesser/numpy,jankoslavic/numpy,bringingheavendown/numpy,ajdawson/numpy,charris/numpy,CMartelLML/numpy,MichaelAquilina/numpy,stuarteberg/numpy,NextThought/pypy-numpy,tynn/numpy,abalkin/numpy,GrimDerp/numpy,ddasilva/numpy,skwbc/numpy,dato-code/numpy,cowlicks/numpy,leifdenby/numpy,jakirkham/numpy,mhvk/numpy,Yusa95/numpy,rgommers/numpy,pizzathief/numpy,cowlicks/numpy,empeeu/numpy,mhvk/numpy,kirillzhuravlev/numpy,madphysicist/numpy,rhythmsosad/numpy,SiccarPoint/numpy,ESSS/numpy,mathdd/numpy,pizzathief/numpy,GaZ3ll3/numpy,ChristopherHogan/numpy,rmcgibbo/numpy,nbeaver/numpy,ajdawson/numpy,argriffing/numpy,behzadnouri/numpy,jorisvandenbossche/numpy,MSeifert04/numpy,Anwesh43/numpy,CMartelLML/numpy,utke1/numpy,jorisvandenbossche/numpy,Srisai85/numpy,Srisai85/numpy,ChanderG/numpy,dch312/numpy,MSeifert04/numpy,MaPePeR/numpy,jonathanunderwood/numpy,ekalosak/numpy,bringingheavendown/numpy,Linkid/numpy,SunghanKim/numpy,argriffing/numpy,brandon-rhodes/numpy,jankoslavic/numpy,tdsmith/numpy,mindw/numpy,rajathkumarmp/numpy,grlee77/numpy,skwbc/numpy,rgommers/numpy,brandon-rhodes/numpy,skymanaditya1/numpy,tacaswell/numpy,KaelChen/numpy,cjermain/numpy,grlee77/numpy,bertrand-l/numpy,nguyentu1602/numpy,b-carter/numpy,WillieMaddox/numpy,musically-ut/numpy,seberg/numpy,rudimeier/numpy,endolith/numpy,bertrand-l/numpy,groutr/numpy,gmcastil/numpy,numpy/numpy,musically-ut/numpy,rudimeier/numpy,sonnyhu/numpy,MaPePeR/numpy,abalkin/numpy,chiffa/numpy,KaelChen/numpy,maniteja123/numpy,ESSS/numpy,MSeifert04/numpy,nguyentu1602/numpy,mindw/numpy,bmorris3/numpy,SiccarPoint/numpy,dimasad/numpy,naritta/numpy,ESSS/numpy,solarjoe/numpy,sinhrks/numpy,cjermain/numpy,pdebuyl/numpy,ahaldane/numpy,has2k1/numpy,felipebetancur/numpy,stuarteberg/numpy,mindw/numpy,skymanaditya1/numpy,musically-ut/numpy,behzadnouri/numpy,larsmans/numpy,pyparallel/numpy,njase/numpy,simongibbons/numpy,seberg/numpy,Srisai85/numpy,mattip/numpy,ChristopherHogan/numpy,rherault-insa/numpy,anntzer/numpy,dch312/numpy,jonathanunderwood/numpy,andsor/numpy,kirillzhuravlev/numpy,cjermain/numpy,rherault-insa/numpy,KaelChen/numpy,bmorris3/numpy,jakirkham/numpy,ddasilva/numpy,joferkington/numpy,mingwpy/numpy,trankmichael/numpy,tynn/numpy,rhythmsosad/numpy,SunghanKim/numpy,andsor/numpy,numpy/numpy,rgommers/numpy,kiwifb/numpy,nbeaver/numpy,jorisvandenbossche/numpy,felipebetancur/numpy,Dapid/numpy,skwbc/numpy,ahaldane/numpy,ChristopherHogan/numpy,mortada/numpy,brandon-rhodes/numpy,nguyentu1602/numpy,dato-code/numpy,grlee77/numpy,dimasad/numpy,gmcastil/numpy,sinhrks/numpy,madphysicist/numpy,hainm/numpy,endolith/numpy,sigma-random/numpy,cowlicks/numpy,numpy/numpy,mortada/numpy,musically-ut/numpy,sonnyhu/numpy,drasmuss/numpy,trankmichael/numpy,SiccarPoint/numpy,has2k1/numpy,ajdawson/numpy,shoyer/numpy,ssanderson/numpy,empeeu/numpy,leifdenby/numpy,WillieMaddox/numpy