Issue #23662: Document default value of RFC 2109 attributes

diff --git a/Doc/library/http.cookies.rst b/Doc/library/http.cookies.rst
index c2bb80d5d19d82c27a7074f9a1a65a9cabf766c9..56c52f8a8b22fca7824fa9ee4030961fbceeac65 100644 (file)
--- a/Doc/library/http.cookies.rst
+++ b/Doc/library/http.cookies.rst
@@ -141,7 +141,7 @@ Morsel Objects
    in HTTP requests, and is not accessible through JavaScript. This is intended
    to mitigate some forms of cross-site scripting.
 
-   The keys are case-insensitive.
+   The keys are case-insensitive and their default value is ``''``.
 
    .. versionchanged:: 3.5
       :meth:`~Morsel.__eq__` now takes :attr:`~Morsel.key` and :attr:`~Morsel.value`