I have been trying to backup nextcloud with "backup_core_only -v 0" but it didn't work until i found a wiki somewhere on the internet which mentions "backup_core_only -v ''" and my data backup worked only since.
I hope it helps.
* fix: download in place dowload
* fix: linux -> Linux
* fix: add colons and remove useless space
* fix: nextcloud -> Nextcloud
* fix typos
* remove space before colon
* fix: use only one line
* fix: sync with french
* fix typos
* remove useless spaces