By Lucy Marshall Chocolate fans have been left baffled after realising what their favourite wafer biscuit bar is actually called. For years fans have mistakenly believed that Nestle’s Blue Riband is pronounced as ‘Blue Ribbon’. Plus people have been debating whether to pronounce the correct name as ‘Ribbund’ or ‘Ri-band’ A TV advert from 1985 reveals that the bar is pronounced Blue ‘Ribbund’ rather than emphasising the ‘band’ in the chocolate treat’s name. The brand first launched in 1936 by Gray Dunn before being acquired by Rowntree’s. From 1988 it was acquired by Nestle and has been a famil…