DOC: Minor grammar fix (#9175)
DOC: Minor grammar fix (#9175)

I don't expect this to be controversial.
aarchiba/scipy,matthew-brett/scipy,vigna/scipy,Stefan-Endres/scipy,vigna/scipy,andyfaff/scipy,person142/scipy,jamestwebber/scipy,endolith/scipy,person142/scipy,endolith/scipy,gfyoung/scipy,aeklant/scipy,pizzathief/scipy,endolith/scipy,Stefan-Endres/scipy,rgommers/scipy,tylerjereddy/scipy,aeklant/scipy,Stefan-Endres/scipy,gfyoung/scipy,e-q/scipy,WarrenWeckesser/scipy,Eric89GXL/scipy,zerothi/scipy,nmayorov/scipy,pizzathief/scipy,lhilt/scipy,Eric89GXL/scipy,anntzer/scipy,scipy/scipy,tylerjereddy/scipy,ilayn/scipy,zerothi/scipy,zerothi/scipy,person142/scipy,nmayorov/scipy,anntzer/scipy,ilayn/scipy,gertingold/scipy,arokem/scipy,aeklant/scipy,gertingold/scipy,gertingold/scipy,mdhaber/scipy,arokem/scipy,grlee77/scipy,anntzer/scipy,e-q/scipy,gfyoung/scipy,perimosocordiae/scipy,arokem/scipy,jamestwebber/scipy,gfyoung/scipy,scipy/scipy,tylerjereddy/scipy,anntzer/scipy,jor-/scipy,matthew-brett/scipy,vigna/scipy,rgommers/scipy,rgommers/scipy,e-q/scipy,andyfaff/scipy,anntzer/scipy,Stefan-Endres/scipy,ilayn/scipy,tylerjereddy/scipy,perimosocordiae/scipy,Eric89GXL/scipy,jamestwebber/scipy,WarrenWeckesser/scipy,WarrenWeckesser/scipy,vigna/scipy,person142/scipy,pizzathief/scipy,jor-/scipy,ilayn/scipy,arokem/scipy,anntzer/scipy,andyfaff/scipy,jor-/scipy,matthew-brett/scipy,mdhaber/scipy,perimosocordiae/scipy,perimosocordiae/scipy,zerothi/scipy,grlee77/scipy,grlee77/scipy,Eric89GXL/scipy,perimosocordiae/scipy,aarchiba/scipy,matthew-brett/scipy,jamestwebber/scipy,endolith/scipy,matthew-brett/scipy,gertingold/scipy,e-q/scipy,person142/scipy,mdhaber/scipy,scipy/scipy,Eric89GXL/scipy,lhilt/scipy,Eric89GXL/scipy,perimosocordiae/scipy,pizzathief/scipy,mdhaber/scipy,ilayn/scipy,lhilt/scipy,endolith/scipy,grlee77/scipy,Stefan-Endres/scipy,tylerjereddy/scipy,scipy/scipy,gfyoung/scipy,aarchiba/scipy,WarrenWeckesser/scipy,aarchiba/scipy,andyfaff/scipy,andyfaff/scipy,endolith/scipy,nmayorov/scipy,nmayorov/scipy,scipy/scipy,ilayn/scipy,grlee77/scipy,mdhaber/scipy,WarrenWeckesser/scipy,Stefan-Endres/scipy,aeklant/scipy,e-q/scipy,nmayorov/scipy,zerothi/scipy,lhilt/scipy,lhilt/scipy,aarchiba/scipy,zerothi/scipy,aeklant/scipy,andyfaff/scipy,vigna/scipy,pizzathief/scipy,rgommers/scipy,jor-/scipy,arokem/scipy,WarrenWeckesser/scipy,jor-/scipy,jamestwebber/scipy,gertingold/scipy,scipy/scipy,rgommers/scipy,mdhaber/scipy