diff --git a/docs/reference/storage/sifaka.md b/docs/reference/storage/sifaka.md
index 73998d5..1481b88 100644
--- a/docs/reference/storage/sifaka.md
+++ b/docs/reference/storage/sifaka.md
@@ -43,6 +43,12 @@ Node exporter running in Docker container, scraped by [[services/prometheus|Prom
 - Tag: `tag:nas`
 - ACL: `tag:homelab` can access for backups
 
+## Backup
+
+Sifaka is the **target** for [[operations/backup|backups]], not a backup source. [[services/borgmatic|Borgmatic]] sends backups TO sifaka, not OF sifaka.
+
+Data protection for sifaka itself currently relies on the Synology RAID 5 configuration, which provides single-disk fault tolerance. Future plans include offsite duplication for additional resiliency.
+
 ## Related
 
 - [[storage/backups|Backups]] - Backup policy