[x] This PR does not make any changes to the core spec in the stac-spec directory (these are included as a subtree and should be updated directly in radiantearth/stac-spec)
[x] I have added my changes to the CHANGELOGor a CHANGELOG entry is not required.
The bbox in the example has xmin > xmax.
PR Checklist:
stac-specdirectory (these are included as a subtree and should be updated directly in radiantearth/stac-spec)