Store Beat Saber backups in adjacent repo

README.md

@@ -44,8 +44,8 @@ Install assets are currently expected to already exist locally, usually under:
 ## Beat Saber Data Backups
 
 `backup-userdata` copies the mounted Windows `UserData` folder and Beat Saber
-Windows app data into this repo. With the Windows mount at `~/Windows`, the
-helper infers Beat Saber's Windows app data as:
+Windows app data into the adjacent `../backups` repo. With the Windows mount at
+`~/Windows`, the helper infers Beat Saber's Windows app data as:
 
 ```text
 /home/pleb/Windows/Users/pleb/AppData/LocalLow/Hyperbolic Magnetism/Beat Saber
@@ -60,12 +60,13 @@ PYTHONPATH=src python -m plugin_helper \
   --instance 1.44.1
 ```
 
-By default the repo receives plain copied files under `backups/beat-saber/UserData`
-and `backups/beat-saber/AppData`, plus `backups/beat-saber/backup-descriptor.json`
-describing the source paths from the latest backup run. Use
+By default the backup repo receives plain copied files under
+`../backups/beat-saber/UserData` and `../backups/beat-saber/AppData`, plus
+`../backups/beat-saber/backup-descriptor.json` describing the source paths from
+the latest backup run. Use
 `--appdata-path <path>` if the Windows profile path ever differs, `--no-appdata`
 for a `UserData`-only sync, or `--backup-root <path>` to choose a different
-repo-local destination.
+destination.
 
 The backup intentionally omits bulky/generated data: