Your ROOT_URL in app.ini is https://git.cloudchain.link/ but you are visiting https://dash.bss.nz/open-source-guides/TRaSH-Guides/blame/commit/09efc6fd54d33f1c7d6ec23f17b4aa9628eb7783/includes/cf-descriptions/hdr.md
You should set ROOT_URL correctly, otherwise the web may not work correctly.
This Custom Format is a sort of "catch-all" for the `HDR` scene naming scheme where we don't know, based on name alone, which HDR formats are included - it could be `HDR10`, `HDR10+` or even `PQ`.