update a comment

Author: gpshead

Python/pylifecycle.c

@@ -2020,7 +2020,7 @@ _Py_Finalize(_PyRuntimeState *runtime)
     /* Ensure that remaining threads are detached */
     _PyEval_StopTheWorldAll(runtime);
 
-    /* Remaining daemon threads will automatically exit
+    /* Remaining daemon threads will be trapped in PyThread_hang_thread
        when they attempt to take the GIL (ex: PyEval_RestoreThread()). */
     _PyInterpreterState_SetFinalizing(tstate->interp, tstate);
     _PyRuntimeState_SetFinalizing(runtime, tstate);