diff --git a/docs/overview.rst b/docs/overview.rst
--- a/docs/overview.rst
+++ b/docs/overview.rst
@@ -69,6 +69,11 @@ installed.
   (``pip install kallithea`` from a source tree will do pretty much the same
   but build the Kallithea package itself locally instead of downloading it.)
 
+.. note::
+   Kallithea includes front-end code that needs to be processed first.
+   The tool npm_ is used to download external dependencies and orchestrate the
+   processing. The ``npm`` binary must thus be available.
+
 
 Web server
 ----------
@@ -84,17 +89,17 @@ to use web server authentication.
 
 There are several web server options:
 
-- Kallithea uses the Paste_ tool as command line interface. Paste provides
-  ``paster serve`` as a convenient way to launch a Python WSGI / web server
+- Kallithea uses the Gearbox_ tool as command line interface. Gearbox provides
+  ``gearbox serve`` as a convenient way to launch a Python WSGI / web server
   from the command line. That is perfect for development and evaluation.
   Actual use in production might have different requirements and need extra
   work to make it manageable as a scalable system service.
 
-  Paste comes with its own built-in web server but Kallithea defaults to use
+  Gearbox comes with its own built-in web server but Kallithea defaults to use
   Waitress_. Gunicorn_ is also an option. These web servers have different
   limited feature sets.
 
-  The web server used by ``paster`` is configured in the ``.ini`` file passed
+  The web server used by ``gearbox`` is configured in the ``.ini`` file passed
   to it. The entry point for the WSGI application is configured
   in ``setup.py`` as ``kallithea.config.middleware:make_app``.
 
@@ -113,7 +118,7 @@ There are several web server options:
   encryption or special authentication or for other security reasons, to
   provide caching of static files, or to provide load balancing or fail-over.
   Nginx_, Varnish_ and HAProxy_ are often used for this purpose, often in front
-  of a ``paster`` server that somehow is wrapped as a service.
+  of a ``gearbox serve`` that somehow is wrapped as a service.
 
 The best option depends on what you are familiar with and the requirements for
 performance and stability. Also, keep in mind that Kallithea mainly is serving
@@ -126,7 +131,7 @@ continuous hammering from the internet.
 .. _Gunicorn: http://gunicorn.org/
 .. _Waitress: http://waitress.readthedocs.org/en/latest/
 .. _virtualenv: http://pypi.python.org/pypi/virtualenv
-.. _Paste: http://pythonpaste.org/
+.. _Gearbox: http://turbogears.readthedocs.io/en/latest/turbogears/gearbox.html
 .. _PyPI: https://pypi.python.org/pypi
 .. _Apache httpd: http://httpd.apache.org/
 .. _mod_wsgi: https://code.google.com/p/modwsgi/
@@ -136,6 +141,6 @@ continuous hammering from the internet.
 .. _iis: http://en.wikipedia.org/wiki/Internet_Information_Services
 .. _pip: http://en.wikipedia.org/wiki/Pip_%28package_manager%29
 .. _WSGI: http://en.wikipedia.org/wiki/Web_Server_Gateway_Interface
-.. _pylons: http://www.pylonsproject.org/
 .. _HAProxy: http://www.haproxy.org/
 .. _Varnish: https://www.varnish-cache.org/
+.. _npm: https://www.npmjs.com/