diff --git a/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/04.stigmatism and conjugate-points/02.new-course-overview/cheatsheet.fr.md b/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/04.stigmatism and conjugate-points/02.new-course-overview/cheatsheet.fr.md
index 302d3b0db..733d58abb 100644
--- a/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/04.stigmatism and conjugate-points/02.new-course-overview/cheatsheet.fr.md	
+++ b/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/04.stigmatism and conjugate-points/02.new-course-overview/cheatsheet.fr.md	
@@ -100,7 +100,7 @@ rectangles, Thalès, faire de la géométrie, d'où le nom :<br>
 
 ![](ray-optics-spherical-refracting-surface-paraxial-gauss-conditions-approximation-serieD_L1200.gif)
 
-![](ray-optics-spherical-refracting-surface-paraxial-gauss-conditions-approximation-serieF_1200.gif
+![](ray-optics-spherical-refracting-surface-paraxial-gauss-conditions-approximation-serieF_L1200.gif