Year range Goldie Gold and the Action Jack

Currently, Goldie Gold and the Action Jack (https://www.imdb.com/title/tt0251511/reference/) has a year range of 1981-1982. 

However, as you can see, all episodes listed on IMDb are from 1981. 

epguides.com also states this: https://epguides.com/GoldieGoldandActionJack/

so does TVmaze: https://www.tvmaze.com/shows/40870/goldie-gold-and-action-jack

Can a staffer change the year range please?