diff --git a/readme.md b/readme.md
index e2340c6..0fad8b6 100644
--- a/readme.md
+++ b/readme.md
@@ -38,6 +38,8 @@ docker compose -f docker-compose.test.yml up -d
 
 ### Commands
 
+_All of these are Python tools. Depending on your OS and configuration, you may have to prefix them with `python3 -m`._
+
 ```shell
 # Starting Didier
 python3 main.py