diff --git a/Include/abstract.h b/Include/abstract.h
index abb996ff1a4..3a99c4e08c2 100644
--- a/Include/abstract.h
+++ b/Include/abstract.h
@@ -1026,7 +1026,7 @@ xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx*/
 
      PyAPI_FUNC(PyObject *) PySequence_Fast(PyObject *o, const char* m);
        /*
-     Returns the sequence, o, as a tuple, unless it's already a
+     Returns the sequence, o, as a list, unless it's already a
      tuple or list.  Use PySequence_Fast_GET_ITEM to access the
      members of this list, and PySequence_Fast_GET_SIZE to get its length.