adjust wording of what's new to better reflect #7324
adjust wording of what's new to better reflect #7324

[docs only]

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