very minor fix in help for DEFAULT_COSMOLOGY
very minor fix in help for DEFAULT_COSMOLOGY

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