--- a/Sphinx/source/plugins/serve-folders.rst	Tue Nov 22 11:33:43 2016 +0100
+++ b/Sphinx/source/plugins/serve-folders.rst	Tue Nov 22 12:25:28 2016 +0100
@@ -13,4 +13,31 @@
 The source code of this sample plugin is `available in the source
 distribution of Orthanc
 <https://bitbucket.org/sjodogne/orthanc/src/default/Plugins/Samples/ServeFolders/>`__
-(GPLv3 license).
+(GPLv3+ license).
+
+
+Basic usage
+-----------
+
+1. First, generate the :ref:`default configuration of Orthanc <configuration>`.
+2. Then, modify the ``Plugins`` option to point to the folder containing
+   the built shared library.
+3. Finally, create a section ``ServeFolders`` in the configuration file to
+   specify which folder you want to serve, and at which URI.
+
+.. highlight:: json
+
+For instance, the following excerpt would load the plugins from the
+working directory, then would map the content of the folder
+``/home/jodogne/WWW/fosdem`` as URI "http://localhost:8042/fosdem"::
+
+  {
+    [...]
+    "Plugins" : [ 
+      "."
+    ],
+    "ServeFolders" : {
+      "/fosdem" : "/home/jodogne/WWW/fosdem"
+    }
+  }
+