diff --git a/site/content/docs/5.3/about/translations.md b/site/content/docs/5.3/about/translations.md
index 5e2ae30c52ca..17763d9a6def 100644
--- a/site/content/docs/5.3/about/translations.md
+++ b/site/content/docs/5.3/about/translations.md
@@ -10,7 +10,7 @@ Community members have translated Bootstrap's documentation into various languag
 {{< translations.inline >}}
 <ul>
 {{ range .Site.Data.translations -}}
-  <li><a href="{{ .url }}" hreflang="{{ .code }}">{{ .description }} ({{ .name }})</a></li>
+  <li><a href="{{ .url }}" hreflang="{{ .code }}" lang="{{ .code }}">{{ .description }} ({{ .name }})</a></li>
 {{ end -}}
 </ul>
 {{< /translations.inline >}}