diff --git a/README.md b/README.md
index 5d7021b72e031d9a2e0eae451e5a0a9625ccf976..d1d83aa4d3f85227458c1ed5628ea8917059ccb0 100644
--- a/README.md
+++ b/README.md
@@ -97,3 +97,6 @@ sending the image between several nodes in the same computer. It also launches t
 
  * **visual_gps_sim.launch**: This file does the same as the previous one, except for the camera driver node that is not launched. It expects the model car simulator to be already running.
 
+Once the node is running, you can use the dynamic reconfigure ROS tool to change online the coordinates of the four markers:
+
+rosrun rqt_reconfigure rqt_reconfigure
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