diff --git a/docs/source/plugins.rst b/docs/source/plugins.rst
index b9479ccb..7cb30107 100644
--- a/docs/source/plugins.rst
+++ b/docs/source/plugins.rst
@@ -112,7 +112,7 @@ To ease obtaining values from a JSON payload attached to an HTTP POST request, y
             new_plugin_string = payload.param('my_string', default='', convert=str)
             ...
 
-.. autoclass: openflexure_microscope.api.utilities.JsonPayload
+.. autoclass:: openflexure_microscope.api.utilities.JsonPayload
     :members: