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 61433e37c..9efaa6b9b 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	
@@ -4,6 +4,9 @@ published : true
 visible : false
 ---
 
+
+:kefzekfjgzelg
+
 #### Quelle propriété doit satisfaire un système optique imageur "idéal" ?
 
 Il faut concevoir une image là. Si possible photo-gif.