diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/40.n4/20.overview/cheatsheet.fr.md b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/40.n4/20.overview/cheatsheet.fr.md
index 8f967364e..d823057ec 100644
--- a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/40.n4/20.overview/cheatsheet.fr.md
+++ b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/40.n4/20.overview/cheatsheet.fr.md
@@ -10,4 +10,4 @@ lessons:
       order: 3
 ---
 
-Les relativités niveau 4, overview
\ No newline at end of file
+#### Mécaniques relativistes, n3, overview
\ No newline at end of file