diff --git a/sessions/python-10.md b/sessions/python-10.md
index d2efa86..db638f7 100644
--- a/sessions/python-10.md
+++ b/sessions/python-10.md
@@ -267,3 +267,10 @@ class NotEnoughMoney(BankError):
          self.withdrawal = withdrawal
 ```
 
+#
+
+\center \huge Atelier
+
+# Convertisseur d'unités
+
+Miles en kilomètres, gallons en litres, etc.