diff --git a/doc/source/conf.py b/doc/source/conf.py
index 09b1a82..0a0a166 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -49,7 +49,7 @@ extensions = [
 
 # Define shorthand roles for making links to common destinations.
 extlinks = {
-    'repo': ('https://opendev.org/%s', ''),
+    'repo': ('https://opendev.org/%s', '%s'),
 }
 
 # Add any paths that contain templates here, relative to this directory.
@@ -72,7 +72,7 @@ bug_tag = 'stx.bug'
 #
 # 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.