Fix sphinx link [docs only]
Fix sphinx link [docs only]

saimn/astropy,bsipocz/astropy,MSeifert04/astropy,lpsinger/astropy,astropy/astropy,pllim/astropy,StuartLittlefair/astropy,lpsinger/astropy,dhomeier/astropy,astropy/astropy,saimn/astropy,aleksandr-bakanov/astropy,astropy/astropy,larrybradley/astropy,mhvk/astropy,saimn/astropy,larrybradley/astropy,pllim/astropy,StuartLittlefair/astropy,pllim/astropy,mhvk/astropy,astropy/astropy,MSeifert04/astropy,dhomeier/astropy,aleksandr-bakanov/astropy,mhvk/astropy,StuartLittlefair/astropy,MSeifert04/astropy,pllim/astropy,lpsinger/astropy,mhvk/astropy,bsipocz/astropy,aleksandr-bakanov/astropy,lpsinger/astropy,StuartLittlefair/astropy,MSeifert04/astropy,larrybradley/astropy,StuartLittlefair/astropy,mhvk/astropy,dhomeier/astropy,lpsinger/astropy,larrybradley/astropy,dhomeier/astropy,saimn/astropy,saimn/astropy,stargaser/astropy,bsipocz/astropy,stargaser/astropy,aleksandr-bakanov/astropy,bsipocz/astropy,larrybradley/astropy,pllim/astropy,astropy/astropy,dhomeier/astropy,stargaser/astropy,stargaser/astropy