diff --git a/12.temporary_ins/70.wave-optics/10.interferences/cheatsheet.fr.md b/12.temporary_ins/70.wave-optics/10.interferences/cheatsheet.fr.md
index 20c5f5516..7d277b682 100644
--- a/12.temporary_ins/70.wave-optics/10.interferences/cheatsheet.fr.md
+++ b/12.temporary_ins/70.wave-optics/10.interferences/cheatsheet.fr.md
@@ -1,5 +1,5 @@
 ---
-title: 
+title: Le phénomène d'interférences
 published: true
 routable: false
 visible: false