diff --git a/doc/rest_api.rst b/doc/rest_api.rst
index 13cb23ef7..74159185f 100644
--- a/doc/rest_api.rst
+++ b/doc/rest_api.rst
@@ -11,13 +11,14 @@ documentation.
 **You will find them using the following url patterns:**
 
 * New API+Docs: *https://<hostname>/api/schema-v2/swagger/*
-* Old API: *http://<hostname>/api/v1/
+* Old API: *http://<hostname>/api/v1/*
 * (Old) Documentation: *http://<hostname>/docs/api/*
 
 **Examples:**
 
 * `new example <https://demo.modoboa.org/api/schema-v2/swagger/>`_
 * `old example <https://demo.modoboa.org/docs/api/>`_ 
+
 documentation is available on the official demo.
 
 Using this API requires an authentication and for now, only a token
diff --git a/doc/upgrade.rst b/doc/upgrade.rst
index 5097873b8..8245b937f 100644
--- a/doc/upgrade.rst
+++ b/doc/upgrade.rst
@@ -50,6 +50,23 @@ Make sure to use root privileges and run the following command:
 
 Then, reload postfix.
 
+New-admin interface
+===================
+
+.. note::
+   You don't need to perform these actions if you use the installer to upgrade your instance.
+
+New admin interface won't update by itself. Run the following commands to update it:
+
+.. sourcecode:: bash
+
+   > sudo -u <modoboa_user> -i bash
+   > cd <modoboa_instance_dir>
+   > cp frontend/config.json ./
+   > rm -rf frontend
+   > cp -R <virtuenv_path>/lib/pythonX.X/site-packages/modoboa/frontend_dist/ frontend/
+   > cp ./config.json frontend/config.json
+ 
 Extensions
 **********
 
@@ -124,13 +141,13 @@ The following modifications must be applied to the :file:`settings.py` file:
    ]
 
 
-* Add the following variable::
+* Add the following variable:
 
 .. sourcecode:: python
 
    PID_FILE_STORAGE_PATH = '/var/run'
 
-* Update ``LOGGING`` variable to define an address for ``syslog-auth`` handler::
+* Update ``LOGGING`` variable to define an address for ``syslog-auth`` handler:
 
 .. sourcecode:: python
 
@@ -142,9 +159,8 @@ The following modifications must be applied to the :file:`settings.py` file:
    },
 
 
-* You now have the possibility to customize the url of the new-admin
-interface.  To do so please head up to :ref:`the custom configuration
-chapter <customization>` (advanced user).
+* You now have the possibility to customize the url of the new-admin interface.  
+   To do so please head up to :ref:`the custom configuration chapter <customization>` (advanced user).
 
 * Add ``DEFAULT_THROTTLE_RATES`` to ``REST_FRAMEWORK``:
 
diff --git a/modoboa/core/commands/templates/settings.py.tpl b/modoboa/core/commands/templates/settings.py.tpl
index 22bf058ee..3c46fb253 100644
--- a/modoboa/core/commands/templates/settings.py.tpl
+++ b/modoboa/core/commands/templates/settings.py.tpl
@@ -213,7 +213,7 @@ REST_FRAMEWORK = {
 }
 
 # Uncomment if you need a custom sub url for new_admin interface
-# NEW_ADMIN_URL = 'new_admin'
+# NEW_ADMIN_URL = 'new-admin'
 
 SPECTACULAR_SETTINGS = {
     'SCHEMA_PATH_PREFIX': r'/api/v[0-9]',
diff --git a/modoboa/core/context_processors.py b/modoboa/core/context_processors.py
index 2f9126ec4..6b967b758 100644
--- a/modoboa/core/context_processors.py
+++ b/modoboa/core/context_processors.py
@@ -25,5 +25,5 @@ def top_notifications(request):
 def new_admin_url(*args):
     """A context processor to include new admin url."""
     return {
-        "new_admin": getattr(settings, "NEW_ADMIN_URL", "new_admin")
+        "new_admin": getattr(settings, "NEW_ADMIN_URL", "new-admin")
     }
diff --git a/test_project/test_project/settings.py b/test_project/test_project/settings.py
index f0d1b63de..19ce64b57 100644
--- a/test_project/test_project/settings.py
+++ b/test_project/test_project/settings.py
@@ -205,7 +205,7 @@ REST_FRAMEWORK = {
 }
 
 # Uncomment if you need a custom sub url for new_admin interface
-# NEW_ADMIN_URL = 'new_admin'
+# NEW_ADMIN_URL = 'new-admin'
 
 SPECTACULAR_SETTINGS = {
     'SCHEMA_PATH_PREFIX': r'/api/v[0-9]',