bpo-36317: Fix typo in _PyObject_FastCallDict documentation (GH-12383) (GH-12402)

(cherry picked from commit b4b97af8bed21e32eb77e7f7497acde1f8af4e70)
diff --git a/Include/abstract.h b/Include/abstract.h
index 4088f75..3fe5a00 100644
--- a/Include/abstract.h
+++ b/Include/abstract.h
@@ -220,7 +220,7 @@
    If nargs is equal to zero, args can be NULL. kwargs can be NULL.
    nargs must be greater or equal to zero.
 
-   Return the result on success. Raise an exception on return NULL on
+   Return the result on success. Raise an exception and return NULL on
    error. */
 PyAPI_FUNC(PyObject *) _PyObject_FastCallDict(
     PyObject *callable,