diff --git a/10.brainstorming-innovative-courses/entropy/n1/10.enumeration/20.overview/textbook.en.md b/10.brainstorming-innovative-courses/entropy/n1/10.enumeration/20.overview/textbook.en.md
index 8779363fe..717b62d3c 100644
--- a/10.brainstorming-innovative-courses/entropy/n1/10.enumeration/20.overview/textbook.en.md
+++ b/10.brainstorming-innovative-courses/entropy/n1/10.enumeration/20.overview/textbook.en.md
@@ -2,7 +2,10 @@
 title: enumeration
 published: true
 routable: true
-viible: true
+visible: true
+lessons:
+   - slug: entropy-linear-n1
+     order: 2
 ---
 
 Dénombrement : overview EN
\ No newline at end of file