The v5 documentation for crud mutations mentions both `insert` and `create` as values for the `@behavior` smart tag.
### Summary

The v5 [documentation for crud mutations](https://postgraphile.org/postgraphile/next/crud-mutations) mentions both `insert` and `create` as values for the `@behavior` smart tag.

Personally, I can't get either (`-create`/`-insert`) to work (nor `-update` and `-delete`), but this issue is specifically about the mixed use on the crud mutations documentation page.

![Screenshot from 2024-06-01 00-22-12](https://github.com/graphile/crystal/assets/2656517/87550f13-423d-47f9-a97e-a365577f37ca)
![Screenshot from 2024-06-01 00-22-22](https://github.com/graphile/crystal/assets/2656517/949ee6f7-5838-45f3-9e8c-9478ad9d70d1)
