diff --git a/module2/exo1/toy_notebook_en.ipynb b/module2/exo1/toy_notebook_en.ipynb
index 770bf4697ee9e0c98ff3833f1f2c5251658bbf9f..0771b52d37b0fe766038cdcb256dd8f8a9132a84 100644
--- a/module2/exo1/toy_notebook_en.ipynb
+++ b/module2/exo1/toy_notebook_en.ipynb
@@ -11,7 +11,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "##March 28,2019"
+    "## <March 28,2019>"
    ]
   },
   {