diff --git a/01.curriculum/02.mathematic/01.niv1/topic.en.md b/01.curriculum/02.mathematic/01.niv1/topic.en.md
index 9a79c635b..3a8b1ee23 100644
--- a/01.curriculum/02.mathematic/01.niv1/topic.en.md
+++ b/01.curriculum/02.mathematic/01.niv1/topic.en.md
@@ -1,4 +1,8 @@
 ---
 title: plains
+published: true
+visible: true
 ---
 
+##### site under construction 
+