[BUG] Docs API section doesn't render properly

[FBruzzesi]

Describe the bug

The api documentation page of the latest version doesn't render properly.

The navbar on the left under API reference render the name Parameter for each class, and in the page body the class names are not present (cfr. screenshot below).

I tried this in different browsers (Chrome, Edge, Brave) but it doesn't seem to affect the end result.

To Reproduce

Proposed solution

I am opening a PR to fix such behaviour by editing docs/api.rst file.