diff --git a/doc/usage.rst b/doc/usage.rst
index c29178b..29fc297 100644
--- a/doc/usage.rst
+++ b/doc/usage.rst
@@ -6,7 +6,7 @@ Use the following methods to fill, update, reset and search the index.
 .. currentmodule:: elastichash
 
 .. autoclass:: ElasticHash
-   :special-members:
+   :special-members: __init__
    :members:
 
 Extract scores from ES result: