diff --git a/.env.example b/.env.example
index fdf6057..48b4074 100644
--- a/.env.example
+++ b/.env.example
@@ -1,6 +1,8 @@
 PROJECT_ROOT=""
 CONTAINER_NAME="pf"
 DOMAIN=""
+# Emails from Let's Encrypt about your certificate will go here
+LE_EMAIL=""
 APP_PASSWORD=""
 MYSQL_PASSWORD=""
 CCP_SSO_CLIENT_ID=""