diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/50.entropy/05.first-steps/textbook.en.fr b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/50.entropy/05.first-steps/textbook.en.fr
index 8f126c436..6f2535428 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/50.entropy/05.first-steps/textbook.en.fr
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/50.entropy/05.first-steps/textbook.en.fr
@@ -5,7 +5,7 @@ routable: true
 visible: false
 lessons:
 lessons:
-    - slug: brainstorming-g12-classical-mechanics
+    - slug: brainstorming-g12-entropy
       order: 1
 ---