Issue #26736: Used HTTPS for external links in the documentation if possible.
diff --git a/Doc/library/cookielib.rst b/Doc/library/cookielib.rst
index 7829f53..ceccc13 100644
--- a/Doc/library/cookielib.rst
+++ b/Doc/library/cookielib.rst
@@ -122,7 +122,7 @@
HTTP cookie classes, principally useful for server-side code. The
:mod:`cookielib` and :mod:`Cookie` modules do not depend on each other.
- http://curl.haxx.se/rfc/cookie_spec.html
+ https://curl.haxx.se/rfc/cookie_spec.html
The specification of the original Netscape cookie protocol. Though this is
still the dominant protocol, the 'Netscape cookie protocol' implemented by all
the major browsers (and :mod:`cookielib`) only bears a passing resemblance to