diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/20.n1/20.fr/10.main/textbook.fr.md b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/20.n1/20.fr/10.main/textbook.fr.md
index a97d44e24..8ccb9216f 100644
--- a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/20.n1/20.fr/10.main/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/20.n1/20.fr/10.main/textbook.fr.md
@@ -12,6 +12,6 @@ lessons:
       order: 2
 ---
 
-#### Mécanique classique, n1, main
+#### Mécanique classique, n1, principal
 
 ------------------------------------
\ No newline at end of file