diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/02.mirror/03.new-course-beyond/annex.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/02.mirror/03.new-course-beyond/annex.en.md
index e8c631f22..6c39c5b14 100644
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/02.mirror/03.new-course-beyond/annex.en.md
+++ b/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/02.mirror/03.new-course-beyond/annex.en.md
@@ -1,5 +1,7 @@
 ---
 title: 'new course : beyond'
+published: false
+visible: false
 ---
 
 ! *YOUR  CHALLENGE*  :  Your image in a mirror.