diff --git a/client/src/pages/guide/english/html/optional-tags/index.md b/client/src/pages/guide/english/html/optional-tags/index.md
index 6a86699457..feeb845776 100644
--- a/client/src/pages/guide/english/html/optional-tags/index.md
+++ b/client/src/pages/guide/english/html/optional-tags/index.md
@@ -34,4 +34,4 @@ The optional tag specifications for the most common HTML5 tags are as follows:
### More Information
-To learn more about the HTML5 optional tags, please visit .
+To learn more about the HTML5 optional tags, please visit [The World Wide Web Consortium's Recommendations](https://www.w3.org/TR/html5/syntax.html#optional-tags).