diff --git a/docs/usage.rst b/docs/usage.rst
index a49eb5c150dd7f25c79a8c5eca7ba9ee3e66a873..7a1f976012fe89c552dd4f3438398719ec1fdb73 100644
--- a/docs/usage.rst
+++ b/docs/usage.rst
@@ -114,3 +114,6 @@ of the following commands (depending on which environment you want to run)::
 
 If using ``virtualenv``, you may want to set the ``DJANGO_SETTINGS_MODULE``
 environment variable in it to make your life easier.
+
+If no environment settings have been specified, default settings used will be
+the development ones.