Enhance docstring
Enhance docstring

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