diff --git a/01.curriculum/01.physics-chemistry-biology/03.niv3/topic.fr.md b/01.curriculum/01.physics-chemistry-biology/03.niv3/topic.fr.md
index 3dcf6248f..8a8ef88b2 100644
--- a/01.curriculum/01.physics-chemistry-biology/03.niv3/topic.fr.md
+++ b/01.curriculum/01.physics-chemistry-biology/03.niv3/topic.fr.md
@@ -1,6 +1,6 @@
 ---
 title: contreforts
 published: true
-routable: false
+routable: true
 visible: false
----
+---
\ No newline at end of file