diff --git a/config.yaml.sample b/config.yaml.sample
index 2804cf9..3760ddf 100644
--- a/config.yaml.sample
+++ b/config.yaml.sample
@@ -9,8 +9,8 @@ network_type: gre
 netmask_internal: 255.255.0.0
 proxy:
   address: 'http://proxy.company.site:3128'
-  install: true
-  use: true
+  install: false
+  use: false
 storage_backend: nfs
 address:
   controller: 10.100.50.10
diff --git a/doc/source/configuration.rst b/doc/source/configuration.rst
index d8198ed..ef201cd 100644
--- a/doc/source/configuration.rst
+++ b/doc/source/configuration.rst
@@ -125,21 +125,28 @@ configures a HTTP proxy to be used by ``yum``.
 
     $ vagrant plugin install vagrant-proxyconf
 
-When the plugin is installed caching/proxying is enabled by default and the
-HTTP proxy `Squid <http://www.squid-cache.org/>`__ will be installed on the
-controller node.
+When the plugin is installed caching/proxying is not enabled by default. To
+enable caching/proxying set ``use`` to ``true``.
+
+``address`` has to point to an existing HTTP proxy server (e.g.
+``http://proxy.company.site:3128``).
 
 ::
 
   proxy:
     use: true
+    install: false
     address: 'http://proxy.company.site:3128'
+
+To install the HTTP proxy `Squid <http://www.squid-cache.org/>`__ on the
+controller node set ``install`` to ``true``.
+
+To use the local proxy set ``use`` to ``true``.  ``address`` has not to
+be set when installing Squid on the controller node. ``address`` will be
+overwritten when installing Squid as local HTTP proxy.
+
+::
+
+  proxy:
     install: true
-
-To explicitly disable caching/proxying when ``vagrant-proxyconf`` is installed
-set ``use`` to ``false``.
-
-To skip the installation of Squid on the controller node set ``install``
-to ``false``. ``address`` has to point to an existing HTTP proxy server (e.g.
-``http://proxy.company.site:3128``) when Squid is not installed. ``address``
-has not to be set when installing Squid on the controller node.
+    use: true