diff --git a/src/blueapi/cli/cli.py b/src/blueapi/cli/cli.py
index bd2154f0a..2c150f805 100644
--- a/src/blueapi/cli/cli.py
+++ b/src/blueapi/cli/cli.py
@@ -337,7 +337,12 @@ def run_plan(
     instrument_session: str,
     parameters: TaskParameters,
 ) -> None:
-    """Run a plan with parameters"""
+    """Run a plan with parameters
+
+    To run in the foreground and block until it is complete, stomp
+    configuration is required. Without stomp configuration, '--bg' can be used
+    to start a plan in the background.
+    """
 
     client = cast(BlueapiClient, obj["client"])
     task = TaskRequest(