diff --git a/README.md b/README.md
index e9aa6ac..1ff0150 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,11 @@ By default, it will enable all ROS tracepoints and a few kernel tracepoints. The
 
 ### Launch file trace action
 
-Another option is to use the `Trace` action in a launch file along with your `Node` action(s).
+Another option is to use the `Trace` action in a launch file along with your `Node` action(s). This way, tracing happens when launching the launch file.
+
+```
+$ ros2 launch tracetools_launch example.launch.py
+```
 
 See [this example launch file](./tracetools_launch/launch/example.launch.py) for more information.