diff --git a/docs/backends.rst b/docs/backends.rst
index 27d5a806..4a55b35d 100644
--- a/docs/backends.rst
+++ b/docs/backends.rst
@@ -10,6 +10,9 @@ configuration values. By default it uses the Redis backend. To override
 the default please set the :setting:`CONSTANCE_BACKEND` setting to the appropriate
 dotted path.
 
+Configuration values are stored in JSON format and automatically serialized/deserialized
+on access.
+
 Redis
 -----
 
diff --git a/docs/index.rst b/docs/index.rst
index 86835364..f25891d1 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -101,6 +101,8 @@ The supported types are:
 * ``datetime``
 * ``date``
 * ``time``
+* ``list``
+* ``dict``
 
 For example, to force a value to be handled as a string: