add text for notebook module

Author: jyaistMap

guide/02-api-overview/overview-of-the-arcgis-api-for-python.ipynb

@@ -52,7 +52,7 @@
     "The `arcgis.gis` module provides an information model for GIS hosted within ArcGIS Online or Portal for ArcGIS. This module provides functionality to manage (create, read, update and delete) GIS users, groups and content. This module is the most important and provides the entry point into the GIS. \n",
     "\n",
     "#### `arcgis.gis` submodules\n",
-    "These submodules assist in various administrative level operations on server and server extension components of a Web GIS deployment. It also contains modules for working with auxiliary functionality such as managing [Notebook Server](/python/api-reference/arcgis.gis.nb.html) and various aspects of [sharing](/python/api-reference/arcgis.gis.sharing.html) to a Web GIS.\n",
+    "These submodules assist in various administrative level operations on server and server extension components of a Web GIS deployment. It also contains modules for working with auxiliary functionality such as the specific deployments for ArcGIS Notebooks and various sharing aspects to a Web GIS.\n",
     "\n",
     "### `arcgis.env` module\n",
     "The `arcgis.env` module provides a shared environment used by the different modules. It stores globals such as the currently active GIS as well as environment settings that are common among all geoprocessing tools, such as the output spatial reference.\n",
@@ -72,6 +72,9 @@
     "### `arcgis.network` module\n",
     "The `arcgis.network` module contains classes and functions for network analysis. Network layers and analysis can be used for operations such as finding the closest facility, the best route for a vehicle, the best routes for a fleet of vehicles, locating facilities using location allocation, calculating an OD cost matrix, and generating service areas. \n",
     "\n",
+    "### `arcgis.notebook` module\n",
+    "The `arcgis.notebook` module serves to provide support functions for managing ArcGIS Notebooks that operate identically regardless of the Web GIS deployment type. These operations aid in snapshots and execution functionality.\n",
+    "\n",
     "### `arcgis.schematics` module\n",
     "Schematics are simplified representations of networks, intended to explain their structure and make the way they operate understandable. The `arcgis.schematics` module contains the types and functions for working with schematic layers and datasets. \n",
     "\n",