diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/50.n4/10.es/ 20.overview/cheatsheet.fr.md b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/50.n4/10.es/ 20.overview/cheatsheet.fr.md
index fad2c1eeb..64e969f83 100644
--- a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/50.n4/10.es/ 20.overview/cheatsheet.fr.md	
+++ b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/50.n4/10.es/ 20.overview/cheatsheet.fr.md	
@@ -4,7 +4,7 @@ published: true
 routable: true
 visible: false
 lessons:
-    - slug: Mecanica-clasica-n4-linear
+    - slug: mecanica-clasica-n4-linear
       order: 2
 ---