diff --git a/doc/source/webapi/v2.rst b/doc/source/webapi/v2.rst
index 2b9d009a96..cd31ca616b 100644
--- a/doc/source/webapi/v2.rst
+++ b/doc/source/webapi/v2.rst
@@ -25,6 +25,9 @@ Meters
 .. autotype:: ceilometer.api.controllers.v2.Meter
    :members:
 
+.. autotype:: ceilometer.api.controllers.v2.OldSample
+   :members:
+
 Samples and Statistics
 ======================