diff --git a/4sem/isaip/02/RSA/rsaNk.ipynb b/4sem/isaip/02/RSA/rsaNk.ipynb
index 95bf1f9..561743e 100644
--- a/4sem/isaip/02/RSA/rsaNk.ipynb
+++ b/4sem/isaip/02/RSA/rsaNk.ipynb
@@ -6,7 +6,7 @@
       "name": "rsaNk.ipynb",
       "provenance": [],
       "collapsed_sections": [],
-      "authorship_tag": "ABX9TyPpT9gQBsvr+52dw80/CCws",
+      "authorship_tag": "ABX9TyNwOFNsjAv2wzqEX4neiNx2",
       "include_colab_link": true
     },
     "kernelspec": {
@@ -25,6 +25,15 @@
         "<a href=\"https://colab.research.google.com/github/NuarkNoir/UPC/blob/master/4sem/isaip/02/RSA/rsaNk.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
       ]
     },
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "kx3VZRiUWJxc"
+      },
+      "source": [
+        "## Алгоритм шифрования RSA"
+      ]
+    },
     {
       "cell_type": "code",
       "metadata": {
@@ -218,6 +227,15 @@
         }
       ]
     },
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "K-hHG4wMWXRB"
+      },
+      "source": [
+        "## Тестирование алгоритма шифрования"
+      ]
+    },
     {
       "cell_type": "code",
       "metadata": {