diff --git a/README.md b/README.md
index a07d10b..788ca49 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,8 @@
 
 This repository maintains a [portable Quay chart](chart/README.md) with the
 official Quay image, registry and mirror Deployments, Service, Ingress, probes,
-and optional PostgreSQL and Valkey subcharts. It is published to the public
+and optional PostgreSQL and Valkey subcharts, plus a CloudNativePG mode. It is
+published to the public
 [brunner.ninja Helm repository](https://brunner.ninja/charts):
 
 ```sh
@@ -20,7 +21,9 @@ The [homelab Quay Argo CD application](https://code.brunner.ninja/feedc0de/homel
 holds only this cluster's values and the Rook object user. On this cluster,
 Argo CD is the normal deployment writer; do not run `install.sh` against it.
 The old direct-deploy workflow, kubeconfig, and duplicate manifests were
-retired after adoption. PostgreSQL and Ceph data were preserved.
+retired after adoption. This cluster now runs Quay in its own namespace with
+CloudNativePG and a dedicated Valkey. PostgreSQL and Ceph data were preserved;
+the old database PVC is retained for rollback.
 
 Chart releases use Quay's application-version Git tag as the base and append
 the commit count and hash for chart-only changes. Main-branch CI tests,
diff --git a/install.sh b/install.sh
index 327b7be..f2b5b03 100755
--- a/install.sh
+++ b/install.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 set -eu
 
-namespace=${QUAY_NAMESPACE:-default}
+namespace=${QUAY_NAMESPACE:-quay}
 values_file=${QUAY_VALUES_FILE:-values.yaml}
 
 if [ ! -f "$values_file" ]; then