[BUG] Page Model - /docs/model
Hi. 
If you follow the instructions in the documentation, then the validator does not see changes in the model fields.

![image](https://user-images.githubusercontent.com/45597852/174356876-2daff8ec-a3fb-4419-9fec-2c16a36cc82b.png)
![image](https://user-images.githubusercontent.com/45597852/174356953-75b12e78-e79c-4880-b7de-25b63eb76365.png)
![image](https://user-images.githubusercontent.com/45597852/174357009-5b2f139b-a2ef-462d-ab89-532fb4509d2b.png)

