diff --git a/charts/argo/values.yaml b/charts/argo/values.yaml
index ec15265b..48a705c8 100644
--- a/charts/argo/values.yaml
+++ b/charts/argo/values.yaml
@@ -157,6 +157,7 @@ server:
   # SecurityContext to set on the server pods
   podSecurityContext: {}
   name: server
+  # either HTTP or HTTPS
   readinessProbeScheme: HTTP
   serviceType: ClusterIP
   servicePort: 2746