diff --git a/.env.example b/.env.example
index 556e45b..bfa3537 100644
--- a/.env.example
+++ b/.env.example
@@ -10,3 +10,6 @@ MAXMIND_LICENSE_KEY=your_license_key
 
 # Set to true after initial setup to prevent public registration
 DISABLE_REGISTRATION=true
+#
+# Email address provided to Let's Encrypt for renewal notices
+LETSENCRYPT_EMAIL=example@example.com
diff --git a/bootstrap_certs.sh b/bootstrap_certs.sh
old mode 100644
new mode 100755