diff --git a/Using-Docker-Compose.md b/Using-Docker-Compose.md
index 5a63b29..58b5213 100644
--- a/Using-Docker-Compose.md
+++ b/Using-Docker-Compose.md
@@ -1,5 +1,14 @@
[Docker Compose](https://docs.docker.com/compose/) is a tool that allows the definition and configuration of multi-container applications. In our case, we want both the vaultwarden server and a proxy to redirect the WebSocket requests to the correct place.
+> :warning: :warning: :warning:
+> **Do not use quotes `"` for `environment` variable values them self! This causes issues.
**
+> If you need to enclose it within quotes enclose the whole item, variable + value.
+> :no_entry_sign: WRONG:
+> `- DATABASE_URL="/path/to/db.sqlite3"`
+> :heavy_check_mark: OK:
+> `- "DATABASE_URL=/path/to/db.sqlite3"`
+> :warning: :warning: :warning:
+
## Caddy with HTTP challenge
This example assumes that you have [installed](https://docs.docker.com/compose/install/) Docker Compose, that you have a domain name (e.g., `vaultwarden.example.com`) for your vaultwarden instance, and that it will be publicly accessible.