diff --git a/Doc/library/urllib.request.rst b/Doc/library/urllib.request.rst
index 03712c1f4a6..2988ba2ecec 100644
--- a/Doc/library/urllib.request.rst
+++ b/Doc/library/urllib.request.rst
@@ -874,6 +874,12 @@ HTTPRedirectHandler Objects
    response.
 
 
+.. method:: HTTPRedirectHandler.http_error_308(req, fp, code, msg, hdrs)
+
+   The same as :meth:`http_error_301`, but called for the 'permanent redirect'
+   response.
+
+
 .. _http-cookie-processor:
 
 HTTPCookieProcessor Objects