Use https:// URLs when referring to python.org hosts.
diff --git a/Doc/library/pydoc.rst b/Doc/library/pydoc.rst
index 8343452..df37b71 100644
--- a/Doc/library/pydoc.rst
+++ b/Doc/library/pydoc.rst
@@ -69,7 +69,7 @@
Python interpreter and typed ``import spam``.
Module docs for core modules are assumed to reside in
-http://docs.python.org/library/. This can be overridden by setting the
+https://docs.python.org/library/. This can be overridden by setting the
:envvar:`PYTHONDOCS` environment variable to a different URL or to a local
directory containing the Library Reference Manual pages.