diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/30.n2/20.fr/10.main/textbook.fr.md b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/30.n2/20.fr/10.main/textbook.fr.md
index 903e1800d..70b9a51fb 100644
--- a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/30.n2/20.fr/10.main/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/30.n2/20.fr/10.main/textbook.fr.md
@@ -14,4 +14,6 @@ lessons:
       order: 2
 ---
 
-### Mécanique classique, n2, main
\ No newline at end of file
+#### Mécanique classique, n2, principal
+
+---------------------------------------
\ No newline at end of file