diff --git a/source/_includes/installation/container.md b/source/_includes/installation/container.md
index abf11f994d0..f5133d6dfa4 100644
--- a/source/_includes/installation/container.md
+++ b/source/_includes/installation/container.md
@@ -15,7 +15,7 @@ If you are using Docker then you need to be on at least version 19.03.9, ideally
 
 Installation with Docker is straightforward. Adjust the following command so that:
 
-- `/PATH_TO_YOUR_CONFIG` points at the folder where you want to store your configuration and run it.
+- `/PATH_TO_YOUR_CONFIG` points at the folder where you want to store your configuration and run it. Make sure that you keep the `:/config` part.
 - `MY_TIME_ZONE` is a [tz database name](https://en.wikipedia.org/wiki/List_of_tz_database_time_zones), like `TZ=America/Los_Angeles`.
 
 {% endif %}