This was passed on from the SPJ Ethics Committee to a few others outside the committee who are concerned about ethical jouranlism and who have a sense of humor.
It seems a bit strange to me that the media carefully warn about and label any content that involves sex, violence or strong language — but there's no similar labelling system for, say, sloppy journalism and other questionable content.
There is even a template for Americans to make their own copies on Avery lables #5160. Click here to download the PDF template.