Fix misspelled doctest directives #3911 [skip ci]
Fix misspelled doctest directives #3911 [skip ci]

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