diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/50.entropy/05.first-steps/textbook.fr.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/50.entropy/05.first-steps/textbook.fr.md
index bd48ccd7b..c028ab9e7 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/50.entropy/05.first-steps/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/50.entropy/05.first-steps/textbook.fr.md
@@ -5,7 +5,7 @@ routable: true
 visible: false
 lessons:
 lessons:
-    - slug: brainstorming-g12-classical-mechanics
+    - slug: brainstorming-g12-entropy
       order: 1
 ---