minor fixes

Author: danciaclara

self-hosting/manage/upgrade-plane.mdx

@@ -33,7 +33,7 @@ This guide covers how to upgrade from version 0.14.0 and above. If you’re runn
 
 ## Prerequisites
 
-Before starting, make a backup of your Plane instance. For detailed steps, see the [Backup data](/self-hosting/manage/backup-restore#backup-data) section. This is strongly recommended to ensure you have a safe restore point.
+Before starting, make a backup of your Plane instance. For detailed steps, see the [Backup data](/self-hosting/manage/backup-restore#community-edition) section. This is strongly recommended to ensure you have a safe restore point.
 
 ## Update version