diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/40.n3/10.es/10.main/textbook.fr.md b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/40.n3/10.es/10.main/textbook.fr.md
index a1dd514c2..bddd0a8ae 100644
--- a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/40.n3/10.es/10.main/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/40.n3/10.es/10.main/textbook.fr.md
@@ -10,7 +10,7 @@ lessons:
       order: 3
     - slug: mecanica-clasica-234-panorama
       order: 2
-    - slug: mecanica-clasica-n1-exchange
+    - slug: mecanica-clasica-n3-exchange
       order: 1
 ---