I am not sure, mon frere, that you know the definitions of libel or slander if you think that saying "doesn't appear" is either. Saying "NP has AIDS" or printing "SK routinely grinds up babies to make leronlimab" is more what you're looking for. STATEMENTS that are said as fact without being true.

Slander: the action or crime of making a false spoken statement damaging to a person's reputation

Libel: a published false statement that is damaging to a person's reputation; a written defamation