diff --git a/src/pages/selfhosted/maintenance/scaling/high-availability-from-installer.mdx b/src/pages/selfhosted/maintenance/scaling/high-availability-from-installer.mdx
index 41fd85f4..e7fc949c 100644
--- a/src/pages/selfhosted/maintenance/scaling/high-availability-from-installer.mdx
+++ b/src/pages/selfhosted/maintenance/scaling/high-availability-from-installer.mdx
@@ -25,7 +25,7 @@ After the installer, one host runs everything. After this guide:
 | Login data (embedded identity provider) | An SQLite file on node 1 | The same PostgreSQL endpoint |
 | Signal | Built into the server | A Signal pool behind the load balancer, at the same URL |
 | Relay | Built into the server | Separate relay instances, one address each |
-| Redis and NATS | Not used | Shared by every node |
+| Redis and NATS | None: one server keeps its cache and messaging in memory | Shared by every node, so they share that state |
 
 The example uses these names. Replace them with your own throughout: