diff --git a/ReadMe.md b/ReadMe.md
index c1cac5f57d6c19a13bd75f70633f567d2d45a43a..4cc3498ffd904e8df2613e311626fd4a3bc33c7d 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -24,6 +24,18 @@ This driver offers a c++ wrapper to control a pan&tilt unit build with two [dyna
 
 ``` sudo apt update && sudo apt install iri-dynamixel-pan-tilt-dev ```
 
+## Important information
+
+To use this driver is necessary to unload the *ftdi_sio* module, so the device is detected as a serial-usb device.
+This can be achieved with the following command
+   
+   ```sudo rmmod ftdi_sio```
+    
+or executing the following script:
+
+   ```unbind_ftdi_udev.sh -s <serial_number>```
+
+
 ## Disclaimer  
 
 Copyright (C) 2017-2019 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.