diff --git a/apps/overlays/au-syd1/valkey-operator-system/values.yaml b/apps/overlays/au-syd1/valkey-operator-system/values.yaml
index ef8e878..cbbd383 100644
--- a/apps/overlays/au-syd1/valkey-operator-system/values.yaml
+++ b/apps/overlays/au-syd1/valkey-operator-system/values.yaml
@@ -1,3 +1,5 @@
+# rke2's `registries.yaml` rewrites upstream image names to the artifactapi
+# mirror, so this manifest carries the canonical upstream registry.
 image:
   registry: ghcr.io
   repository: valkey-io/valkey-operator