diff --git a/README.md b/README.md
index 810eabf..5c589b0 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,8 @@ To illustrate usage of certificates and keys (note that currently the included c
 
 `https :/users --verify no`
 
+*NOTE: Handy tip...to use the non-root user's ENV VAR(s) with sudo, `sudo --preserve-env=KEY,CERT docker compose up -d`*
+
 ### Passing in your own TLS
 To provide your own cert and key, set them as environment variables in your shell, run it using docker compose, and it'll pass the KEY and CERT as env vars to the Node process.