Within the same scene, as part of the DVD edit, as Richie says, "I know what you gypsies get up to when the lights go out...", a siren is added to the audio track as a distraction from another usage of the word "gypsies".
The same scene in the DVD edit features Richie saying, "I know what you gypsies get up to when the lights go out," with a siren being added to the audio track as a way to avoid repeating the use of the word "gypsies".