diff --git a/Rapport.ipynb b/Rapport.ipynb
index a6113775bde80b3310a9f3845ac2f3c385364e83..e2a8badfcd094ef8560ce5e8a9edd5ef956d83f7 100644
--- a/Rapport.ipynb
+++ b/Rapport.ipynb
@@ -473,13 +473,13 @@
     "\n",
     "### 1\n",
     "\n",
-    "\\[\n",
+    "$```\n",
     "\\sigma(x)=\\frac{1}{1+e^{-x}}\n",
-    "\\Rightarrow \\sigma'(x)=\\frac{-e^{-x}}{-(1+e^{-x})^2}\n",
+    "\\Rightrrow \\sigma'(x)=\\frac{-e^{-x}}{-(1+e^{-x})^2}\n",
     "\\Rightarrow \\sigma'(x)=\\frac{1}{1+e^{-x}}(\\frac{1+e^{-x}-1}{1+e^{-x}})\n",
     "\\Rightarrow \\sigma'(x)=\\sigma(\\frac{1+e^{-x}}{1+e^{-x}}-\\frac{1}{1+e^{-x}})\n",
     "\\Rightarrow \\sigma'(x)=\\sigma(1-\\sigma)\n",
-    "\\]\n",
+    "```$\n",
     "\n",
     "### 2\n",
     "\n",