diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/40.n3/10.es/30.beyond/annex.fr.md b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/40.n3/10.es/30.beyond/annex.fr.md
index b7386f53e..f5f6e2f75 100644
--- a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/40.n3/10.es/30.beyond/annex.fr.md
+++ b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/40.n3/10.es/30.beyond/annex.fr.md
@@ -4,8 +4,10 @@ published: true
 routable: true
 visible: false
 lessons:
-    - slug: Mecanica-clasica-n3-linear
+    - slug: mecanica-clasica-n3-linear
       order: 3
 ---
 
-### Mecanica clasica, n3, ir más allá
\ No newline at end of file
+#### Mecanica clasica, n3, ir más allá
+
+------------------------------------
\ No newline at end of file