diff --git a/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/01.geometrical-optics-general/01.geometrical-optics-validity/01.geometrical-optics-domain-of-validity-main/textbook.fr.md b/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/01.geometrical-optics-general/01.geometrical-optics-validity/01.geometrical-optics-domain-of-validity-main/textbook.fr.md
index 95d6f0b01..b12248e68 100644
--- a/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/01.geometrical-optics-general/01.geometrical-optics-validity/01.geometrical-optics-domain-of-validity-main/textbook.fr.md
+++ b/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/01.geometrical-optics-general/01.geometrical-optics-validity/01.geometrical-optics-domain-of-validity-main/textbook.fr.md
@@ -1,5 +1,7 @@
 ---
 title: 'Domaine de validité de l''optique géométrique'
+published : false
+visible : false
 ---
 
 ###Domaine de validité de l'optique géométrique