docs: Fixed override example

[vallsv]

Description

Sounds like there is a typo here.

How Has This Been Tested?

Tested on a personal project

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added sufficient tests to cover my changes.
• I have verified that changes that would impact the JSON schema have been made in schema/model.py.

[ruben-arts]

Thanks