diff --git a/clusters/noble/bootstrap/argocd/apps/noble-platform.yaml b/clusters/noble/bootstrap/argocd/apps/noble-platform.yaml
index 58d77fe..65f9b8c 100644
--- a/clusters/noble/bootstrap/argocd/apps/noble-platform.yaml
+++ b/clusters/noble/bootstrap/argocd/apps/noble-platform.yaml
@@ -1,5 +1,5 @@
-# Multi-source: native Helm (no Kustomize helmCharts → no **--enable-helm**). Git **ref: values**
-# supplies **$values/...** paths; second Git entry runs plain Kustomize over **clusters/noble/apps**.
+# Multi-source: native Helm (no Kustomize helmCharts → no **--enable-helm**). One Git source uses
+# **ref: values** (for **$values/...**) and **path** (Kustomize) together — see multiple_sources docs.
 #
 # UI: some Argo CD versions summarize multi-source apps oddly in the graph; the **Resource list**
 # still reflects the merged set. **ServerSideApply** avoids huge CRD client-side apply annotations.
@@ -88,10 +88,8 @@ spec:
         valueFiles:
           - $values/clusters/noble/apps/headlamp/values.yaml
     - repoURL: https://gitea.pcenicni.ca/gsdavidp/home-server.git
-      targetRevision: main
+      targetRevision: HEAD
       ref: values
-    - repoURL: https://gitea.pcenicni.ca/gsdavidp/home-server.git
-      targetRevision: main
       path: clusters/noble/apps
   destination:
     server: https://kubernetes.default.svc
diff --git a/clusters/noble/bootstrap/argocd/root-application.yaml b/clusters/noble/bootstrap/argocd/root-application.yaml
index b5db2d1..20eddea 100644
--- a/clusters/noble/bootstrap/argocd/root-application.yaml
+++ b/clusters/noble/bootstrap/argocd/root-application.yaml
@@ -1,6 +1,6 @@
 # App-of-apps root — apply after Argo CD is running.
 #
-# 1. Set spec.source.repoURL (and targetRevision) to this git repository.
+# 1. Set spec.source.repoURL (and targetRevision — **HEAD** tracks the remote default branch) to this repo.
 # 2. kubectl apply -f clusters/noble/bootstrap/argocd/root-application.yaml
 #
 # Syncs **Application** YAMLs under **apps/** (today: **noble-platform**). Cluster
@@ -21,7 +21,7 @@ spec:
   project: default
   source:
     repoURL: https://gitea.pcenicni.ca/gsdavidp/home-server.git
-    targetRevision: main
+    targetRevision: HEAD
     path: clusters/noble/bootstrap/argocd/apps
   destination:
     server: https://kubernetes.default.svc