diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/50.n4/10.es/10.main/textbook.fr.md b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/50.n4/10.es/10.main/textbook.fr.md
index e1488fda9..786a9ae95 100644
--- a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/50.n4/10.es/10.main/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/50.n4/10.es/10.main/textbook.fr.md
@@ -12,4 +12,4 @@ lessons:
       order: 1
 ---
 
-### Mecanica clasica, n4, main
\ No newline at end of file
+### Mecanica clasica, n4, principal
\ No newline at end of file