DOC: Fix typo in "make_mask" documentation
DOC: Fix typo in "make_mask" documentation

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