Rewording the labeling theme in new contributor doc
Rewording the labeling theme in new contributor doc

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