diff --git a/Doc/source/conf.py b/Doc/source/conf.py
index 982af8032..d07a34aca 100644
--- a/Doc/source/conf.py
+++ b/Doc/source/conf.py
@@ -40,7 +40,7 @@ extensions = [
 
 autodoc_mock_imports = ["gtk", "reportlab"]
 
-autodoc_default_options = {"members": True, "inherited-members": True}
+autodoc_default_options = {"members": True, "inherited-members": True, "show-inheritance": True}
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ["_templates"]
@@ -78,7 +78,7 @@ release = "4.0"
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+language = "en"
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.