diff --git a/trytond/doc/topics/cron.rst b/trytond/doc/topics/cron.rst
index bc4b37de48..e46ceccae5 100644
--- a/trytond/doc/topics/cron.rst
+++ b/trytond/doc/topics/cron.rst
@@ -19,9 +19,9 @@ and the interval of time between calls. The method must be a class method of a
 To register a new method with the scheduler, you must extend the ``ir.cron``
 model and append the new method to the
 :attr:`~trytond.model.fields.Selection.selection` attribute of the ``method``
-field in :meth:`~trytond.model.Model.__setup__()`. The name of the selection
-must be the model name and the method name joined together with a ``|`` between
-them.
+field in :meth:`~trytond.model.Model.__setup__`.
+The name of the selection must be the model name and the method name joined
+together with a ``|`` between them.
 
 Example: