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 717b62d3c..750e4d685 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
@@ -8,4 +8,4 @@ lessons:
      order: 2
 ---
 
-Dénombrement : overview EN
\ No newline at end of file
+Dénombrement : overview EN, level 1
\ No newline at end of file