doc/upgrading: mention changed to http module

diff --git a/doc/upgrading.rst b/doc/upgrading.rst
index c638d32c260105dc8ad2c483806dcde577fd062c..130ef919102adc6277fd1631014e21fffafc583f 100644 (file)
--- a/doc/upgrading.rst
+++ b/doc/upgrading.rst
@@ -17,6 +17,9 @@ Users
   :ref:`dnssec-config`.
 * ``-k/--keyfile`` and ``-K/--keyfile-ro`` daemon options were removed. If needed,
   use ``trust_anchors.add_file()`` in configuration file instead.
+* Configuration for ``http`` module changed significantly, especially for
+  network interfaces. Refer to :ref:`mod-http` and update your configuration
+  accordingly.
 * In case you are using your own custom modules, move them to the new module
   location. The exact location depends on your distribution. Generally, modules previously
   in ``/usr/lib/kdns_modules`` should be moved to ``/usr/lib/knot-resolver/kres_modules``.