diff --git a/01.courses/01.optics/03.the-nature-of-light/02.cheatsheet/cheatsheet.fr.md b/01.courses/01.optics/03.the-nature-of-light/02.cheatsheet/cheatsheet.fr.md
index 2424133c1..0fc3b7b6d 100644
--- a/01.courses/01.optics/03.the-nature-of-light/02.cheatsheet/cheatsheet.fr.md
+++ b/01.courses/01.optics/03.the-nature-of-light/02.cheatsheet/cheatsheet.fr.md
@@ -4,7 +4,7 @@ slug: antiseche
 ---
 <div id="N3_FR_F" style="width:auto; height:auto; padding:0px;">
 
-###### Niveau "PADAWAN", fr, /F
+######  Niveau "PADAWAN", fr, /F
 
 # Qu'est-ce que la lumière?