Docstring fix
Docstring fix

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