diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/03.lens/07.course-level-up/portal.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/03.lens/07.course-level-up/portal.en.md
index 4f2a994ae..6ed88eb9d 100644
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/03.lens/07.course-level-up/portal.en.md
+++ b/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/03.lens/07.course-level-up/portal.en.md
@@ -1,5 +1,7 @@
 ---
 title: 'course : level+1'
+published: false
+visible: false
 hero_classes: ''
 hero_image: ''
 ---