diff --git a/Include/moduleobject.h b/Include/moduleobject.h
index 338cf4b..7b2bf1c 100644
--- a/Include/moduleobject.h
+++ b/Include/moduleobject.h
@@ -12,7 +12,9 @@
 #define PyModule_Check(op) PyObject_TypeCheck(op, &PyModule_Type)
 #define PyModule_CheckExact(op) (Py_TYPE(op) == &PyModule_Type)
 
-PyAPI_FUNC(PyObject *) PyModule_New(const char *);
+PyAPI_FUNC(PyObject *) PyModule_New(
+    const char *name            /* UTF-8 encoded string */
+    );
 PyAPI_FUNC(PyObject *) PyModule_GetDict(PyObject *);
 PyAPI_FUNC(const char *) PyModule_GetName(PyObject *);
 PyAPI_FUNC(const char *) PyModule_GetFilename(PyObject *);