Fix typo in changelog
Fix typo in changelog

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