Minor documentation tweaks

Author: Mark Gibbs

docs/extended_callbacks.rst

@@ -54,5 +54,8 @@ in the :ref:`models_and_state` section.
 Using session state
 ------------------
 
-Changes to the session state and other server-side objects are not automatically propagated to an application. Something in the front-end UI has to invoke a callaback; at this point the latest version of these objects will be provided to the callback. The same considerations as in other Dash `live updates <https://dash.plot.ly/live-updates>`_ apply.
+Changes to the session state and other server-side objects are not automatically
+propagated to an application. Something in the front-end UI has to invoke a callback; at this point the
+latest version of these objects will be provided to the callback. The same considerations
+as in other Dash `live updates <https://dash.plot.ly/live-updates>`_ apply.
 

docs/installation.rst

@@ -7,19 +7,32 @@ Use pip to install the package, preferably to a local virtualenv.::
 
     pip install django_plotly_dash
 
-Then, add ``django_plotly_dash`` to ``INSTALLED_APPS`` in the Django settings.py file::
+Then, add ``django_plotly_dash`` to ``INSTALLED_APPS`` in the Django ``settings.py`` file::
 
     INSTALLED_APPS = [
         ...
         'django_plotly_dash.apps.DjangoPlotlyDashConfig',
         ...
         ]
 
-The ``plotly_item`` tag in the ``plotly_dash`` tag library can then be used to render any registered dash component. See :ref:`simple_use` for a simple example.
-
 The project directory name ``django_plotly_dash`` can also be used on its own if preferred, but this will then skip the use of readable application names in
 the Django admin interface.
 
+The application's routes need to be registered within the routing structure by an appropriate ``include`` statement in
+a ``urls.py`` file::
+
+    urlpatterns = [
+        ...
+        path('django_plotly_dash/', include('django_plotly_dash.urls')),
+    ]
+
+Finally, a migration is needed to update the
+database::
+
+    ./manage.py migrate
+
+The ``plotly_item`` tag in the ``plotly_dash`` tag library can then be used to render any registered dash component. See :ref:`simple_use` for a simple example.
+
 Source code and demo
 --------------------
 
@@ -40,3 +53,4 @@ To install and run it::
                             #   at http://localhost:8000
 
 This will launch a simple Django application. A superuser account is also configured, with both username and password set to ``admin``.
+

docs/models_and_state.rst

@@ -31,7 +31,7 @@ be created if one does not already exist.
             '''
 
 The main role of a ``StatelessApp`` instance is to manage access to the associated ``DjangoDash`` object, as
-expsosed through the ``as_dash_app`` member
+exposed through the ``as_dash_app`` member
 function.
 
 The ``DashApp`` model