diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/10.n1/20.overview/cheatsheet.fr.md b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/10.n1/20.overview/cheatsheet.fr.md
index be34221e2..f79af49f2 100644
--- a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/10.n1/20.overview/cheatsheet.fr.md
+++ b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/10.n1/20.overview/cheatsheet.fr.md
@@ -8,6 +8,6 @@ lessons:
       order: 1
 ---
 
-#### Mécaniques relativistes, n2, synthèse
+#### Mécaniques relativistes, n1, synthèse
 
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\ No newline at end of file