diff --git a/module2/exo1/toy_notebook_en.ipynb b/module2/exo1/toy_notebook_en.ipynb
index fef65ade67e639f4022992f6459bd65abc8eac81..f227627b13db8539f51403e3c5bf5554d6e9869f 100644
--- a/module2/exo1/toy_notebook_en.ipynb
+++ b/module2/exo1/toy_notebook_en.ipynb
@@ -24,3 +24,4 @@
  "nbformat_minor": 2
 }
 
+# On the computation of $\pi$
\ No newline at end of file