diff --git a/module2/exo1/toy_notebook_fr.ipynb b/module2/exo1/toy_notebook_fr.ipynb
index d60c9030b67749e4d5568cc5499b228f5675e6a2..1a8110e219bf36d53cd4c1ad41b79106f5e31870 100644
--- a/module2/exo1/toy_notebook_fr.ipynb
+++ b/module2/exo1/toy_notebook_fr.ipynb
@@ -6,11 +6,11 @@
    "source": [
     "\n",
     "\n",
-    "# À propos du calcul de $π$\n",
+    "# À propos du calcul de π\n",
     "\n",
     "##  En demandant à la lib maths\n",
     "\n",
-    "Mon ordinateur m’indique que _π vaut approximativement_"
+    "Mon ordinateur m’indique que $π$ vaut approximativement"
    ]
   },
   {
diff --git a/module3/exo1/analyse-syndrome-grippal.ipynb b/module3/exo1/analyse-syndrome-grippal.ipynb
index 59d72b5b58a3ae26346460dd39e62a39c55243d7..4933e016e5d0241312815f3bee24f6b3e7bfad67 100644
--- a/module3/exo1/analyse-syndrome-grippal.ipynb
+++ b/module3/exo1/analyse-syndrome-grippal.ipynb
@@ -364,7 +364,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.1"
+   "version": "3.6.4"
   }
  },
  "nbformat": 4,