That is unfortunate. Hmmm. I don’t think it’s super important to keep, and you can read the text here:
Though I think you can manually regenerate it if you feel the need. I think we can adapt the instructions from this post How to regenerate FAQ and TOS pages? - #2 by gerhard and use it for SiteSetting.admin_quick_start_topic_id instead - which would allow you to regenerate them from your /admin/customize/site_texts page (Replace Texts).