diff --git a/docs/pages/quickstart/first_experiments/running_a_real_policy/openpi.rst b/docs/pages/quickstart/first_experiments/running_a_real_policy/openpi.rst
index 6d1bc2ac70..5c01b9f370 100644
--- a/docs/pages/quickstart/first_experiments/running_a_real_policy/openpi.rst
+++ b/docs/pages/quickstart/first_experiments/running_a_real_policy/openpi.rst
@@ -45,7 +45,8 @@ Terminal 2 — arena policy runner
 
 **Run pi05 closed-loop**
 
-Open a second terminal and point the arena policy runner at the server:
+Open a second terminal, enter the Arena container with ``./docker/run_docker.sh``, and
+point the arena policy runner at the server:
 
 .. code-block:: bash