"Text Asset Importer" asset missing documentation link

How to reproduce:

1. Open the attached “MissingAssetDocumentationLinks” project
2. Select the “TestE” asset in Project tab
3. In the Inspector, click the “?” button in the top right

Actual results: The link leads to “Sorry... that page seems to be missing!” page
Expected results: The documentation is opened

Reproducible with: 6000.0.73f1, 6000.3.14f1, 6000.4.4f1, 6000.5.0b5
Not reproducible with: 6000.6.0a3

Reproducible on: macOS 26.4 (M1 Pro)

Note: There are two “?” buttons, the one with missing link is at the top