docs: correct v2 beta installation guidance (#6809)

apps/docs/blog/2026/09-03-homarr-2.0/index.mdx

@@ -23,7 +23,7 @@ Homarr 2.0 is an upgrade, not a brand-new app wearing the same logo. Here is wha
 
 :::warning Back up before upgrading
 
-Follow the [v1 to v2 upgrade guide](/docs/getting-started/upgrade-v2) and create a
+Database migrations run automatically when Homarr starts. Create a
 [Homarr backup](/docs/management/backup) first. Do not test a prerelease image on your only production volume.
 Backups are boring. Restores are worse.
 
@@ -161,7 +161,7 @@ Board startup work runs in parallel, heavy screens load when opened, and identic
 ## Links
 
 - Try the [Homarr 2.0 preview](https://app-v2.preview.homarr.dev).
-- Follow the [v1 to v2 upgrade guide](/docs/getting-started/upgrade-v2).
+- Follow the [v2 beta setup guide](/docs/getting-started/upgrade-v2).
 - Follow the [v2 release pull request](https://github.com/homarr-labs/homarr/pull/6545) and [public beta thread](https://github.com/homarr-labs/homarr/issues/6600).
 - Compare [v1.76.2 with the release/v2 branch](https://github.com/homarr-labs/homarr/compare/v1.76.2...release/v2).
 - Read the guides for [Boards](/docs/management/boards), [Custom Widgets](/docs/management/custom-widgets), [Assistant](/docs/management/assistant), [MCP](/docs/management/mcp) and [Docker labels](/docs/integrations/docker-labels).