DOC: fix doc string of "sd_beta" of odr.Output.
DOC: fix doc string of "sd_beta" of odr.Output.

e-q/scipy,perimosocordiae/scipy,Stefan-Endres/scipy,nmayorov/scipy,endolith/scipy,grlee77/scipy,ilayn/scipy,matthew-brett/scipy,tylerjereddy/scipy,Eric89GXL/scipy,zerothi/scipy,e-q/scipy,Eric89GXL/scipy,mdhaber/scipy,zerothi/scipy,scipy/scipy,endolith/scipy,grlee77/scipy,WarrenWeckesser/scipy,Eric89GXL/scipy,mdhaber/scipy,vigna/scipy,grlee77/scipy,andyfaff/scipy,perimosocordiae/scipy,tylerjereddy/scipy,vigna/scipy,zerothi/scipy,ilayn/scipy,scipy/scipy,Stefan-Endres/scipy,zerothi/scipy,Stefan-Endres/scipy,e-q/scipy,andyfaff/scipy,Eric89GXL/scipy,WarrenWeckesser/scipy,nmayorov/scipy,perimosocordiae/scipy,WarrenWeckesser/scipy,endolith/scipy,tylerjereddy/scipy,endolith/scipy,Stefan-Endres/scipy,anntzer/scipy,vigna/scipy,ilayn/scipy,ilayn/scipy,zerothi/scipy,andyfaff/scipy,mdhaber/scipy,zerothi/scipy,anntzer/scipy,nmayorov/scipy,WarrenWeckesser/scipy,scipy/scipy,scipy/scipy,tylerjereddy/scipy,e-q/scipy,andyfaff/scipy,grlee77/scipy,vigna/scipy,matthew-brett/scipy,anntzer/scipy,perimosocordiae/scipy,rgommers/scipy,tylerjereddy/scipy,Eric89GXL/scipy,Eric89GXL/scipy,WarrenWeckesser/scipy,rgommers/scipy,e-q/scipy,grlee77/scipy,matthew-brett/scipy,ilayn/scipy,rgommers/scipy,matthew-brett/scipy,Stefan-Endres/scipy,scipy/scipy,perimosocordiae/scipy,mdhaber/scipy,mdhaber/scipy,anntzer/scipy,scipy/scipy,matthew-brett/scipy,ilayn/scipy,endolith/scipy,vigna/scipy,anntzer/scipy,andyfaff/scipy,Stefan-Endres/scipy,mdhaber/scipy,rgommers/scipy,nmayorov/scipy,rgommers/scipy,nmayorov/scipy,andyfaff/scipy,endolith/scipy,WarrenWeckesser/scipy,perimosocordiae/scipy,anntzer/scipy