diff --git a/disk-gc-threat-response.prose.md b/disk-gc-threat-response.prose.md
index 4824a2f..b374e59 100644
--- a/disk-gc-threat-response.prose.md
+++ b/disk-gc-threat-response.prose.md
@@ -357,3 +357,4 @@ one-off GPU builds. No automated post-migration cleanup was in place.
 > container has no `pct` binary.
 >
 > **KVM VM:** CT 109 (docker-vm) is a QEMU VM, not LXC — access via SSH .7.
+> **NOTE:** For kagentz (CT 105), use `ssh root@kagentz` (hostname), NOT `pct exec 105` — `pct exec 105` shows loop0 (59G) while `ssh root@kagentz` shows the real filesystem (99G). For docker-vm (CT 109), use `ssh root@192.168.68.7`, not `pct exec`.