diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/50.n4/20.fr/ 20.overview/cheatsheet.fr.md b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/50.n4/20.fr/ 20.overview/cheatsheet.fr.md
index 6d28212d6..7224b7e98 100644
--- a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/50.n4/20.fr/ 20.overview/cheatsheet.fr.md	
+++ b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/50.n4/20.fr/ 20.overview/cheatsheet.fr.md	
@@ -8,4 +8,6 @@ lessons:
       order: 2
 ---
 
-### Mécanique classique, n4, overview
\ No newline at end of file
+#### Mécanique classique, n4, synthèse
+
+------------------------------------------------
\ No newline at end of file