DOC: update description of the Dirichlet distribution
DOC: update description of the Dirichlet distribution

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