doc: add html lang

ekkx · ekkx · commit 18dd564d612f · 2024-08-27T15:52:54.000+09:00
diff --git a/docs/conf.py b/docs/conf.py
@@ -39,6 +39,8 @@
 # -- Options for HTML output -------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
 
+language="ja"
+
 html_theme = "shibuya"
 html_static_path = ["_static"]
 
