Update to FAQ.md at https://github.com/astral-sh/ruff/blob/main/docs/faq.md is merited as a result of this change I think.

Specifically, the following bullet can be removed:

Depending on your project structure, Ruff and isort can differ in their detection of first-party code. (This is often solved by modifying the src property, e.g., to src = ["src"], if your code is nested in a src directory.)

Originally posted by @NasaGeek in #12848 (comment)