Fix comments and image paths in jupyter notebook

Author: sayalaruano

docs/vuegen_demo.ipynb

@@ -10,26 +10,26 @@
     "\n",
     "An overview of the VueGen workflow is shown in the figure below:\n",
     "\n",
-    "![Vuegen graphical abstarct](images/vuegen_graph_abstract.png)\n",
+    "![Vuegen graphical abstarct](./images/vuegen_graph_abstract.png)\n",
     "\n",
     "Also, the class diagram for the project is presented below to illustrate the architecture and relationships between classes:\n",
     "\n",
-    "![Vuegen class diagram](images/vuegen_classdiagram_noattmeth.png)\n"
+    "![Vuegen class diagram](./images/vuegen_classdiagram_noattmeth.png)\n"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
     "import sys\n",
     "import os  \n",
-    "# Get the absolute path to the report_generator directory\n",
+    "# Get the absolute path to the root directory\n",
     "working_dir = os.getcwd()\n",
     "project_root = os.path.abspath(os.path.join(working_dir, '..'))\n",
     "\n",
-    "# Check if the current directory is \"notebooks\" and change to project_root if true\n",
+    "# Check if the current directory is \"docs\" and change to project_root if true\n",
     "if os.path.basename(working_dir) == 'docs':\n",
     "    os.chdir(project_root)\n",
     "\n",