diff --git a/Promethe_scripts/drone_obj_tracking/HOWTO.md b/Promethe_scripts/drone_obj_tracking/README.md
similarity index 86%
rename from Promethe_scripts/drone_obj_tracking/HOWTO.md
rename to Promethe_scripts/drone_obj_tracking/README.md
index f30b6837ed12f67c598f38bf2fc0b2d413b4e710..5e81282c89d217cf5bd9e7f7a17b085a8d41635e 100644
--- a/Promethe_scripts/drone_obj_tracking/HOWTO.md
+++ b/Promethe_scripts/drone_obj_tracking/README.md
@@ -13,4 +13,8 @@ The program displays a red box.
 -> When the bounding box is correct, click with the mouse middle button
    That's it! the system should be able to recognize the object.
 
-4) You can change the displayed object names in the file Input/Object_list 
+4) You can change the displayed object names in the file Input/Object_list
+
+## Original script
+
+https://git.cyu.fr/promethe2/promethe2/-/tree/master/applications/final_applis/Vision/obj_detect_demo_official