Correct changelog sentence. [skip ci]
Correct changelog sentence. [skip ci]

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