Proper Reference following comment by @pllim, clearer doctring @mhvk
Proper Reference following comment by @pllim, clearer doctring @mhvk

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