diff --git a/README.md b/README.md
index 4c1bb6bf..8e6e1bc1 100644
--- a/README.md
+++ b/README.md
@@ -134,7 +134,7 @@ If you're working on package's `setup.py` or rov_msgs, you'll need to run `🏃
 
 If you want to run our unit tests use this command `colcon test --event-handlers=console_direct+`.
 
-It runs the tests and pipes the output to the terminal.
+It runs the tests and pipes the output to the terminal. To test pi_main make sure to type your password into the terminal after running the above command.
 
 If you install the flake8 and mypy extension they should help enforce the linters.