DOC: wording and spelling tweaks
DOC: wording and spelling tweaks

mattip/numpy,endolith/numpy,jakirkham/numpy,jakirkham/numpy,simongibbons/numpy,pbrod/numpy,WarrenWeckesser/numpy,jakirkham/numpy,rgommers/numpy,jakirkham/numpy,charris/numpy,madphysicist/numpy,seberg/numpy,jorisvandenbossche/numpy,MSeifert04/numpy,mhvk/numpy,abalkin/numpy,jorisvandenbossche/numpy,grlee77/numpy,charris/numpy,grlee77/numpy,WarrenWeckesser/numpy,mhvk/numpy,pizzathief/numpy,ahaldane/numpy,mhvk/numpy,WarrenWeckesser/numpy,jakirkham/numpy,mattip/numpy,endolith/numpy,endolith/numpy,rgommers/numpy,jorisvandenbossche/numpy,pizzathief/numpy,anntzer/numpy,rgommers/numpy,simongibbons/numpy,simongibbons/numpy,pbrod/numpy,endolith/numpy,numpy/numpy,ahaldane/numpy,charris/numpy,madphysicist/numpy,MSeifert04/numpy,mattip/numpy,mattip/numpy,WarrenWeckesser/numpy,pbrod/numpy,pdebuyl/numpy,abalkin/numpy,pdebuyl/numpy,pizzathief/numpy,abalkin/numpy,anntzer/numpy,ahaldane/numpy,seberg/numpy,charris/numpy,anntzer/numpy,mhvk/numpy,simongibbons/numpy,pbrod/numpy,grlee77/numpy,numpy/numpy,numpy/numpy,simongibbons/numpy,seberg/numpy,ahaldane/numpy,seberg/numpy,numpy/numpy,MSeifert04/numpy,madphysicist/numpy,ahaldane/numpy,madphysicist/numpy,grlee77/numpy,MSeifert04/numpy,WarrenWeckesser/numpy,grlee77/numpy,madphysicist/numpy,pdebuyl/numpy,rgommers/numpy,pizzathief/numpy,pbrod/numpy,anntzer/numpy,mhvk/numpy,jorisvandenbossche/numpy,pdebuyl/numpy,pizzathief/numpy,jorisvandenbossche/numpy,MSeifert04/numpy