DOC: fix typo in indexing section
DOC: fix typo in indexing section

pizzathief/numpy,simongibbons/numpy,charris/numpy,anntzer/numpy,tynn/numpy,WarrenWeckesser/numpy,charris/numpy,ahaldane/numpy,anntzer/numpy,numpy/numpy,madphysicist/numpy,MSeifert04/numpy,pbrod/numpy,numpy/numpy,bringingheavendown/numpy,jakirkham/numpy,WarrenWeckesser/numpy,pbrod/numpy,shoyer/numpy,mattip/numpy,gfyoung/numpy,bertrand-l/numpy,bringingheavendown/numpy,gfyoung/numpy,tynn/numpy,bertrand-l/numpy,numpy/numpy,endolith/numpy,Eric89GXL/numpy,pizzathief/numpy,b-carter/numpy,rgommers/numpy,b-carter/numpy,Eric89GXL/numpy,solarjoe/numpy,simongibbons/numpy,WarrenWeckesser/numpy,WarrenWeckesser/numpy,jakirkham/numpy,shoyer/numpy,anntzer/numpy,bringingheavendown/numpy,numpy/numpy,gfyoung/numpy,endolith/numpy,pbrod/numpy,bertrand-l/numpy,ssanderson/numpy,ahaldane/numpy,jakirkham/numpy,jorisvandenbossche/numpy,madphysicist/numpy,pbrod/numpy,madphysicist/numpy,charris/numpy,pbrod/numpy,pdebuyl/numpy,abalkin/numpy,endolith/numpy,seberg/numpy,shoyer/numpy,abalkin/numpy,ssanderson/numpy,pizzathief/numpy,abalkin/numpy,MSeifert04/numpy,madphysicist/numpy,WarrenWeckesser/numpy,chatcannon/numpy,simongibbons/numpy,rgommers/numpy,simongibbons/numpy,jorisvandenbossche/numpy,Eric89GXL/numpy,simongibbons/numpy,jorisvandenbossche/numpy,shoyer/numpy,MSeifert04/numpy,chatcannon/numpy,chatcannon/numpy,ahaldane/numpy,grlee77/numpy,ssanderson/numpy,MSeifert04/numpy,mhvk/numpy,behzadnouri/numpy,mattip/numpy,pdebuyl/numpy,mhvk/numpy,grlee77/numpy,pizzathief/numpy,pdebuyl/numpy,charris/numpy,mhvk/numpy,mattip/numpy,b-carter/numpy,seberg/numpy,seberg/numpy,rgommers/numpy,ahaldane/numpy,grlee77/numpy,mhvk/numpy,behzadnouri/numpy,mattip/numpy,grlee77/numpy,mhvk/numpy,pizzathief/numpy,grlee77/numpy,jakirkham/numpy,behzadnouri/numpy,jakirkham/numpy,jorisvandenbossche/numpy,solarjoe/numpy,jorisvandenbossche/numpy,anntzer/numpy,shoyer/numpy,ahaldane/numpy,pdebuyl/numpy,rgommers/numpy,tynn/numpy,seberg/numpy,Eric89GXL/numpy,MSeifert04/numpy,solarjoe/numpy,endolith/numpy,madphysicist/numpy