diff --git a/README.md b/README.md
index 69d9cf5e..99be6d31 100644
--- a/README.md
+++ b/README.md
@@ -178,6 +178,7 @@ export BOOTSTRAP_GITHUB_REPOSITORY="k8s-at-home/home-cluster"
 export BOOTSTRAP_METALLB_LB_RANGE="169.254.1.10-169.254.1.20"
 export BOOTSTRAP_DOMAIN="k8s-at-home.com"
 export BOOTSTRAP_DOMAIN_CERT="k8s-at-home"
+export BOOTSTRAP_CLOUDFLARE_EMAIL="k8s-at-home@gmail.com"
 export BOOTSTRAP_CLOUDFLARE_TOKEN="dsKq41iLAbXE37GV"
 export BOOTSTRAP_INGRESS_NGINX_LB="169.254.1.10"