diff --git a/01.curriculum/02.mathematic/02.niv2/topic.en.md b/01.curriculum/02.mathematic/02.niv2/topic.en.md
index baf538dcc..92821f531 100644
--- a/01.curriculum/02.mathematic/02.niv2/topic.en.md
+++ b/01.curriculum/02.mathematic/02.niv2/topic.en.md
@@ -1,4 +1,7 @@
 ---
-title: hills
+title: ' plains'
+published: true
+routable: false
+visible: false
 ---