Updating comment about hashing [skip ci]
Updating comment about hashing [skip ci]

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