diff --git a/12.temporary_ins/70.wave-optics/topic.fr.md b/12.temporary_ins/70.wave-optics/topic.fr.md
index ff94b5acd..429b68d8b 100644
--- a/12.temporary_ins/70.wave-optics/topic.fr.md
+++ b/12.temporary_ins/70.wave-optics/topic.fr.md
@@ -1,8 +1,11 @@
 ---
 title: Aspect ondulatoire de la lumière
-published: false
-routable: false
+published: true
+routable: true
 visible: false
+lessons: 
+    - slug: interferences-diffraction
+      order: 1
 ---
 
 ### Aspect ondulatoire de la lumière