2.3 only: Some more minor fixes

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | 2.3
| Fixed tickets | -

This is the equivalent of #3207 for 2.3.

I hope it is correct to remove the `=` in `- [setRequest, ['@?request=']]`, couldn't find anything in the docs metioning this special syntax.