DOC: Fix error in kulczynski1 example
DOC: Fix error in kulczynski1 example

scipy/scipy,ilayn/scipy,scipy/scipy,andyfaff/scipy,WarrenWeckesser/scipy,anntzer/scipy,mdhaber/scipy,rgommers/scipy,andyfaff/scipy,anntzer/scipy,anntzer/scipy,mdhaber/scipy,ilayn/scipy,Stefan-Endres/scipy,ilayn/scipy,anntzer/scipy,Stefan-Endres/scipy,rgommers/scipy,andyfaff/scipy,mdhaber/scipy,endolith/scipy,Stefan-Endres/scipy,anntzer/scipy,andyfaff/scipy,Stefan-Endres/scipy,Stefan-Endres/scipy,ilayn/scipy,WarrenWeckesser/scipy,endolith/scipy,WarrenWeckesser/scipy,scipy/scipy,mdhaber/scipy,scipy/scipy,rgommers/scipy,endolith/scipy,anntzer/scipy,endolith/scipy,rgommers/scipy,ilayn/scipy,andyfaff/scipy,endolith/scipy,WarrenWeckesser/scipy,perimosocordiae/scipy,rgommers/scipy,perimosocordiae/scipy,mdhaber/scipy,WarrenWeckesser/scipy,mdhaber/scipy,Stefan-Endres/scipy,WarrenWeckesser/scipy,perimosocordiae/scipy,perimosocordiae/scipy,perimosocordiae/scipy,scipy/scipy,andyfaff/scipy,endolith/scipy,perimosocordiae/scipy,scipy/scipy,ilayn/scipy