Physics 2D Manager documentation page is missing

Steps to reproduce:

1. Open Physics 2D Manager documentation page (https://docs.unity3d.com/6000.0/Documentation/Manual/class-Physics2DManager)

1. Observe the page

Actual results: Physics 2D Manager documentation page is missing

Expected results: Physics 2D Manager documentation page is not missing

Reproducible with versions: 6000.0.61f1, 6000.2.10f1, 6000.3.0b8, 6000.4.0a4

Tested on (OS): macOS Silicon, Tagoe 26.0 (M1)