The sentence states "Beneden aan de weg is een grote kruising. Ga dan linksaf bij het kanaal. Deze oude kerk moet aan de rechterkant liggen, tegenover de markt. De supermarkt ligt er direct achter." Translating this into English: "Below the road there is a large junction. Then take a left turn by the canal. This old church should be on the right, facing the market. The supermarket is right behind it." So, the old church is next to the grocery store, on the opposite side to where the grocery store entrance is. But at the backside of the church.