Docs feedback: Updating GitLab on Azure won't work as layed out in the docs

https://docs.gitlab.com/ee/install/azure/

Following the instructions on this site, updating should be done via sudo apt-get update && sudo apt-get install gitlab-ce. Running the commands yields the following output and GitLab is not installed:

gitlab preinstall: It seems you are upgrading from 8.x version series
gitlab preinstall: to 11.x series. It is recommended to upgrade
gitlab preinstall: to the last minor version in a major version series first before
gitlab preinstall: jumping to the next major version.
gitlab preinstall: Please follow the upgrade documentation at https://docs.gitlab.com/ee/policy/maintenance.html#upgrade-recommendations
gitlab preinstall: and upgrade to 10.8 first.