To add a plot spoiler template to an article, type  at the appropriate section.  But rather than applying a plot spoiler warning in an article with a spoiler, it is better to just get rid of the spoiler.  It can be cut back just to state the facts: In the 1992 film Scent of a Woman, Lt. Col Frank Slade orders his assistant Charlie Simms away to find him a rare Cuban Montecristo No.1 cigar. - or something to that effect.  We do not need a plot summary here, just the reference to the film.  Not having seen the movie - does the Montecristo actually make an appearance on screen?  If not, then it is probably not notable.  ~~~~