diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/03.lens/02.new-course-overview/cheatsheet.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/03.lens/02.new-course-overview/cheatsheet.fr.md
index 5d620453b..397c002df 100644
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/03.lens/02.new-course-overview/cheatsheet.fr.md
+++ b/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/03.lens/02.new-course-overview/cheatsheet.fr.md
@@ -4,7 +4,7 @@ media_order: 'lens-convergent-N2-en.jpeg,lens-divergent-N2-fr.jpeg,lens-converge
 ---
 
 
-### Qu-est-ce qu'une lentille ?
+### Qu'est-ce qu'une lentille ?
 
 #### Objectif