diff --git a/docs/getting-started.md b/docs/getting-started.md
index 82cbae863..361ef0df2 100644
--- a/docs/getting-started.md
+++ b/docs/getting-started.md
@@ -360,6 +360,9 @@ extra:
 A new entry at the bottom of the table of contents is generated that is linking
 to the comments section. The necessary JavaScript is automatically included.
 
+!!! warning
+    `site_url` value must be set in `mkdocs.yml` for the Discus integration to load properly.
+
   [17]: https://disqus.com
 
 ### Localization