diff --git a/source/_includes/installation/container.md b/source/_includes/installation/container.md
index 5c05b6bb33e..279c26f96b8 100644
--- a/source/_includes/installation/container.md
+++ b/source/_includes/installation/container.md
@@ -13,7 +13,11 @@ If you are using Docker then you need to be on at least version 19.03.9, ideally
 
 ### Platform Installation
 
-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.
+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.
+* `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 %}
 
 {% if page.installation_type == 'raspberrypi' %}