diff --git a/README.md b/README.md
index 544488a..93f599a 100644
--- a/README.md
+++ b/README.md
@@ -42,5 +42,5 @@ then it listent to keyboards events to transform the 3D, like turning around, zo
 
 **change height :**
 
-![example 3D of map after modifications](assets/fdf_loop_change_height.gif)
+![example 3D of map after modifications](assets/fdf_loop_change_height_50.gif)