diff --git a/python-zope.i18nmessageid.changes b/python-zope.i18nmessageid.changes
index 8b3aed5..0924838 100644
--- a/python-zope.i18nmessageid.changes
+++ b/python-zope.i18nmessageid.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Wed Feb  1 13:11:47 UTC 2023 - Ben Greiner <code@bnavigator.de>
+
+- Explicitly require python3-Sphinx for building the docs. It could
+  have been omitted from %pythons for %python_module in a 15.X
+  backport project.
+
 -------------------------------------------------------------------
 Mon Dec  5 13:49:15 UTC 2022 - Yogalakshmi Arunachalam <yarunachalam@suse.com>
 
diff --git a/python-zope.i18nmessageid.spec b/python-zope.i18nmessageid.spec
index a9e53ce..9e85911 100644
--- a/python-zope.i18nmessageid.spec
+++ b/python-zope.i18nmessageid.spec
@@ -1,7 +1,7 @@
 #
 # spec file
 #
-# Copyright (c) 2022 SUSE LLC
+# Copyright (c) 2023 SUSE LLC
 # Copyright (c) 2013-2022 LISA GmbH, Bingen, Germany.
 #
 # All modifications and additions to the file contributed by third parties
@@ -30,7 +30,7 @@ Version:        5.1.1
 Release:        0
 Summary:        Zope Location
 License:        ZPL-2.1
-URL:            https://www.python.org/pypi/zope.i18nmessageid
+URL:            https://github.com/zopefoundation/zope.i18nmessageid
 Source:         https://files.pythonhosted.org/packages/source/z/zope.i18nmessageid/zope.i18nmessageid-%{version}.tar.gz
 BuildRequires:  %{python_module devel}
 BuildRequires:  %{python_module pytest}
@@ -38,7 +38,7 @@ BuildRequires:  %{python_module setuptools}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 # SECTION documentation requirements
-BuildRequires:  %{python_module Sphinx}
+BuildRequires:  python3-Sphinx
 Requires:       python-six
 # /SECTION
 # SECTION testing requirements