#11865: fix typo in init.rst.
diff --git a/Doc/c-api/init.rst b/Doc/c-api/init.rst
index fd6a9a2..a4e4ad9 100644
--- a/Doc/c-api/init.rst
+++ b/Doc/c-api/init.rst
@@ -906,7 +906,7 @@
 main thread where it has possession of the global interpreter lock and can
 perform any Python API calls.
 
-.. cfunction:: void Py_AddPendingCall( int (*func)(void *, void *arg) )
+.. cfunction:: void Py_AddPendingCall(int (*func)(void *), void *arg)
 
    .. index:: single: Py_AddPendingCall()