diff --git a/1ST/semaines.rst b/1ST/semaines.rst
index d69f7ca..b84c7e7 100644
--- a/1ST/semaines.rst
+++ b/1ST/semaines.rst
@@ -68,7 +68,7 @@ S21 - Polynômes de degré 3 (15min)
 S21 - Programmation (45min)
 ---------------------------
 
-Programmation de fonctionFs
+`Python et fonctions sur binder <https://mybinder.org/v2/git/http%3A%2F%2Fgit.opytex.org%2Flafrite%2F2019-2020.git/5e01f15637a71b7272b257e91ff468d905d4e631?filepath=1ST%2FProgrammation%2F2-Fonctions.ipynb>`_
 
 
 Semaine 20: 11/05 -> 15/05