diff --git a/Applications/quartz-docker.md b/Applications/quartz-docker.md
index 3eb4997..7bdcc12 100644
--- a/Applications/quartz-docker.md
+++ b/Applications/quartz-docker.md
@@ -92,5 +92,9 @@ See a list of all environment variables [here](#environment-variables).
 | `ENABLE_CRON`        | Enables scheduled builds (`true` or `false`) | `false`                       |
 | `BUILD_SCHEDULE`     | Cron expression for scheduling site builds   | `"*/10 * * * *"` every 10 min |
 | `QUARTZ_CONFIG_PATH` | Path to the Quartz configuration file        | `/config/quartz.json`         |
+| `USER_ID`            |                                              |                               |
 
 You shouldn't need to change `QUARTZ_CONFIG_PATH`
+USER_ID: 0
+
+GROUP_ID: 0
\ No newline at end of file