diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/30.n2/10.es/10.main/textbook.fr.md b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/30.n2/10.es/10.main/textbook.fr.md
index acf7eab04..e55497bec 100644
--- a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/30.n2/10.es/10.main/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/30.n2/10.es/10.main/textbook.fr.md
@@ -10,8 +10,8 @@ lessons:
       order: 2
     - slug: mecanica-clasica-234-panorama
       order: 1
-    - slug: mecanica-clasica-n1-exchange
-      order: 2
+    - slug: mecanica-clasica-n2-exchange
+      order: 1
 ---
 
 ### Mecanica clasica, n2, main
\ No newline at end of file