DOC: Fix Documentation rendering --refguide-check (#15014)
DOC: Fix Documentation rendering --refguide-check (#15014)

* STY: Fix Documentation rendering refguide-check
* DOC: fix missing spacing

Co-authored-by: Pamphile ROY <5382f7c16494af1b573fda9cacaa4290463e84b1@gmail.com>
andyfaff/scipy,rgommers/scipy,WarrenWeckesser/scipy,andyfaff/scipy,ilayn/scipy,zerothi/scipy,vigna/scipy,perimosocordiae/scipy,matthew-brett/scipy,tylerjereddy/scipy,WarrenWeckesser/scipy,ilayn/scipy,scipy/scipy,mdhaber/scipy,perimosocordiae/scipy,WarrenWeckesser/scipy,anntzer/scipy,perimosocordiae/scipy,zerothi/scipy,matthew-brett/scipy,Stefan-Endres/scipy,matthew-brett/scipy,vigna/scipy,scipy/scipy,anntzer/scipy,zerothi/scipy,scipy/scipy,scipy/scipy,tylerjereddy/scipy,ilayn/scipy,andyfaff/scipy,vigna/scipy,endolith/scipy,mdhaber/scipy,perimosocordiae/scipy,zerothi/scipy,Stefan-Endres/scipy,scipy/scipy,rgommers/scipy,rgommers/scipy,tylerjereddy/scipy,matthew-brett/scipy,Stefan-Endres/scipy,endolith/scipy,perimosocordiae/scipy,ilayn/scipy,ilayn/scipy,mdhaber/scipy,tylerjereddy/scipy,endolith/scipy,anntzer/scipy,andyfaff/scipy,rgommers/scipy,endolith/scipy,endolith/scipy,perimosocordiae/scipy,andyfaff/scipy,mdhaber/scipy,Stefan-Endres/scipy,endolith/scipy,andyfaff/scipy,anntzer/scipy,rgommers/scipy,zerothi/scipy,ilayn/scipy,scipy/scipy,anntzer/scipy,matthew-brett/scipy,WarrenWeckesser/scipy,Stefan-Endres/scipy,vigna/scipy,zerothi/scipy,mdhaber/scipy,WarrenWeckesser/scipy,tylerjereddy/scipy,vigna/scipy,Stefan-Endres/scipy,WarrenWeckesser/scipy,mdhaber/scipy,anntzer/scipy