diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/01.plane-refracting-surface/03.plane-refracting-surface-beyond/annex.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/01.plane-refracting-surface/03.plane-refracting-surface-beyond/annex.en.md
index 66d6ffab9..b19a40919 100644
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/01.plane-refracting-surface/03.plane-refracting-surface-beyond/annex.en.md
+++ b/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/01.plane-refracting-surface/03.plane-refracting-surface-beyond/annex.en.md
@@ -1,5 +1,7 @@
 ---
 title: 'new course : beyond'
+published: true
+visible: true
 ---
 
 ! *YOUR  CHALLENGE*   :