The classic guide to writing interpretive exhibit labels is Beverly Serrell's book [1].
TFA has very little content and a terrible LLM stench. I work in this field, so I was attracted to the clickbait title. My advice is not to read TFA, just read a summary of Serrell's book if you can't get the book itself.
[1] Exhibit Labels, Beverly Serrell, Bloomsbury Publishing, 2024 edition.