This is a reference to help with JADE labelling.
An edit is "damaging" if it should be reverted because it harms the content. Example of a damaging edit:
+ Llamas are ROOOOL!
Whether an edit was made with good or bad intentions. A edit may be damaging accidentally or out of ignorance, and not vandalism. An example of a good faith edit would be adding a legitimate citation, whether or not it was done quite correctly.