Fix several C-API doc typos caught by tomo cocoa on docs@.
The signature and description of PyException_SetCause now use "cause"
rather than "ctx" to match the code.
diff --git a/Doc/c-api/module.rst b/Doc/c-api/module.rst
index e80e0ea..bd46170 100644
--- a/Doc/c-api/module.rst
+++ b/Doc/c-api/module.rst
@@ -113,7 +113,7 @@
Return a pointer to the :c:type:`PyModuleDef` struct from which the module was
created, or *NULL* if the module wasn't created with
- :c:func:`PyModule_Create`.i
+ :c:func:`PyModule_Create`.
.. c:function:: PyObject* PyState_FindModule(PyModuleDef *def)