Correct text

Signed-off-by: Coline PILOQUET <coline.piloquet@rte-france.com>

Author: colineplqt

network_modifications_node_breaker.ipynb

@@ -14,15 +14,28 @@
     "# Network modifications \n",
     "\n",
     "This notebook explains how to easily create a network in Node/Breaker topology and how to modify network elements.\n",
-    "The methods shown in this notebook can be used to create a network from scratch or to modify an existing network after importing it. \n",
+    "In the Node/Breaker topology, all the switches are represented and each equipment is associated with a node. It is the most detailed representation of a network. \n",
+    "The methods shown in this notebook can be used to create a network from scratch or to modify an existing network after it has been imported. They allow to easily create voltage levels and equipment with their bay i.e. with the associated breakers and disconnectors in one line.\n",
     "We will only need two libraries, pypowsybl and pandas, to deal with dataframes."
    ]
   },
   {
    "cell_type": "code",
    "execution_count": 1,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "ename": "ModuleNotFoundError",
+     "evalue": "No module named 'pypowsybl'",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
+      "\u001b[0;31mModuleNotFoundError\u001b[0m                       Traceback (most recent call last)",
+      "\u001b[0;32m<ipython-input-1-83135ffb712e>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;32mimport\u001b[0m \u001b[0mpypowsybl\u001b[0m \u001b[0;32mas\u001b[0m \u001b[0mpp\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m      2\u001b[0m \u001b[0;32mimport\u001b[0m \u001b[0mpandas\u001b[0m \u001b[0;32mas\u001b[0m \u001b[0mpd\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
+      "\u001b[0;31mModuleNotFoundError\u001b[0m: No module named 'pypowsybl'"
+     ]
+    }
+   ],
    "source": [
     "import pypowsybl as pp\n",
     "import pandas as pd"
@@ -7794,7 +7807,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.5"
+   "version": "3.8.10"
   }
  },
  "nbformat": 4,