diff --git a/_extensions/cours/_extension.yml b/_extensions/cours/_extension.yml
index 5a89f11..4ef139b 100644
--- a/_extensions/cours/_extension.yml
+++ b/_extensions/cours/_extension.yml
@@ -34,4 +34,11 @@ contributes:
       filters:
         - latex-environment
       environments: [definition, propriete, theoreme, questions, exercice, tasks]
-      commands: [tanColor, item, task]
+      commands: [item, task]
+    html:
+      number-sections: true
+      toc: false
+      filters:
+        - latex-environment
+      environments: [definition, propriete, theoreme, questions, exercice, tasks]
+      commands: [item, task]