#11942: merge with 3.1.

diff --cc Doc/c-api/init.rst
index 9a78834cdd379844b3da10e72bea78871e981efb,7e9d44ca60d08b1ef5a30155df8c7d747c341971..e50c417d3668d947160d7ae80604b25985e8b644
--- 1/Doc/c-api/init.rst
--- 2/Doc/c-api/init.rst
+++ b/Doc/c-api/init.rst
@@@ -908,7 -892,7 +908,7 @@@ a worker thread and the actual call tha
  main thread where it has possession of the global interpreter lock and can
  perform any Python API calls.
  
- .. c:function:: void Py_AddPendingCall(int (*func)(void *), void *arg)
 -.. cfunction:: int Py_AddPendingCall(int (*func)(void *), void *arg)
++.. c:function:: int Py_AddPendingCall(int (*func)(void *), void *arg)
  
     .. index:: single: Py_AddPendingCall()