diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/20.n2/20.overview/cheatsheet.fr.md b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/20.n2/20.overview/cheatsheet.fr.md
index cab662638..5d80e835b 100644
--- a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/20.n2/20.overview/cheatsheet.fr.md
+++ b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/20.n2/20.overview/cheatsheet.fr.md
@@ -14,9 +14,6 @@ lessons:
       order: 1
 ---
 
-Les relativités niveau 2 : main
----
-
 #### Mécaniques relativistes, n2, synthèse
 
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