diff --git a/docs/configuration.rst b/docs/configuration.rst
index 3746234..e00d2b5 100644
--- a/docs/configuration.rst
+++ b/docs/configuration.rst
@@ -29,7 +29,7 @@ Configuration
             ...
         }
 
-- **REST_AUTH_REGISTRATION_SERIALIZERS**
+- **REST_AUTH_REGISTER_SERIALIZERS**
 
     You can define your custom serializers for registration endpoint.
     Possible key values: