The easiest way to avoid making common mistakes is to know what they are. Some of the most common recurring errors in Wikipedia articles have been documented below for your convenience.
However, not all errors are covered here. Keep in mind that newcomers to Wikipedia may find that it is easy to commit a faux pas. Don't worry about that. Remember, Wikipedia is unbreakable (every edit is recorded and retrievable). Also, even though there are many protocols, perfection is not required, as Wikipedia is a work in progress. You are encouraged to be bold and start editing.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).