Notes about caching pages with a CSRF Form

| Q             | A
| ------------- | ---
| Doc fix?      | no
| New docs?     | no
| Applies to    | all
| Fixed tickets | #1216
IMO, you should rephrase the whole thing. The fact that it is based on the session id is a pure implementation detail (which is why we were able to change in in 2.4 without it being a BC break)