fixed io.ascii.ipac docstring to interpret caveats correctly
fixed io.ascii.ipac docstring to interpret caveats correctly

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