diff --git a/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/02.geometrical-optics-foundings/05.fermat-application/02.fermat-application-overview/cheatsheet.en.md b/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/02.geometrical-optics-foundings/05.fermat-application/02.fermat-application-overview/cheatsheet.en.md
index 615105fa9..f3190e2bd 100644
--- a/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/02.geometrical-optics-foundings/05.fermat-application/02.fermat-application-overview/cheatsheet.en.md
+++ b/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/02.geometrical-optics-foundings/05.fermat-application/02.fermat-application-overview/cheatsheet.en.md
@@ -75,8 +75,9 @@ _smartphone : switch to "landscape" mode to see the geogebra animations._
 <!--image gif correspondante-->
 
 ![](Opt_Geo_refle_lim_650.gif)
-
+<!--
 animation : https://www.geogebra.org/material/iframe/id/bg5ewxee
+-->