diff --git a/Include/abstract.h b/Include/abstract.h
index 87afe9a..fc9c6b5 100644
--- a/Include/abstract.h
+++ b/Include/abstract.h
@@ -438,7 +438,7 @@
        /*
          Guess the size of object o using len(o) or o.__length_hint__().
          If neither of those return a non-negative value, then return the
-         default value.  This function never fails. All exceptions are cleared.
+         default value.  If one of the calls fails, this function returns -1.
        */
 
      PyAPI_FUNC(PyObject *) PyObject_GetItem(PyObject *o, PyObject *key);