diff --git a/traefik/edge-router/traefik-deployment.yml b/traefik/edge-router/traefik-deployment.yml
index c93e7bf..20f5cb2 100644
--- a/traefik/edge-router/traefik-deployment.yml
+++ b/traefik/edge-router/traefik-deployment.yml
@@ -45,6 +45,8 @@ spec:
             - "--certificatesresolvers.myresolver.acme.email=junte.kim@mealcraft.com"
             - "--certificatesresolvers.myresolver.acme.storage=/acme/acme.json"
             - "--certificatesresolvers.myresolver.acme.dnschallenge.provider=route53"
+            # STAGING (uncomment for first-time)  
+            # - "--certificatesresolvers.myresolver.acme.caserver=https://acme-staging-v02.api.letsencrypt.org/directory"
           env:
             - name: AWS_REGION
               valueFrom: