Fix description for promote-tox-docs-infra
Update description for promote-tox-docs-infra to match implementation.
Publish the results of the tox-docs job to
/afs/.openstack.org/docs/infra/{{ zuul.project.short_name }}.
- This is a promote job for ``tox-docs``.
+ This is a promote job for ``opendev-tox-docs``.
final: true
vars:
download_artifact_job: opendev-tox-docs
