The box and lotus-land-story's backup play already use /mnt/data; hosts.yml and the docs were behind.

Assisted-by: GLM-5.3 via pi

diff --git a/docs/backup.md b/docs/backup.md
index d1e1fad..6da45d4 100644
--- a/docs/backup.md
+++ b/docs/backup.md
@@ -35,7 +35,7 @@ broken mirror fails the run.
 ## Repositories
 
 - Primary: `sftp:restic@mountain-of-faith:/mnt/mountain-of-faith/restic`
-- Secondary: `sftp:restic@legacy-of-lunatic-kingdom:/mnt/legacy-of-lunatic-kingdom/restic`
+- Secondary: `sftp:restic@legacy-of-lunatic-kingdom:/mnt/data/restic`
 
 Both live under a `restic` system user on the host, reachable by SSH keys for
 lotus-land-story (the backup) and 1password (manual restores). The
diff --git a/hosts.yml b/hosts.yml
index 831eaad..f055ae3 100644
--- a/hosts.yml
+++ b/hosts.yml
@@ -9,7 +9,7 @@ all:
       ansible_python_interpreter: /usr/bin/python3
     hopeless-masquerade:
     legacy-of-lunatic-kingdom:
-      data_dir: /mnt/legacy-of-lunatic-kingdom
+      data_dir: /mnt/data
     lotus-land-story:
     mountain-of-faith:
       data_dir: /mnt/mountain-of-faith