diff --git a/content/content-management/related.md b/content/content-management/related.md
index 92a29e15f..075d95e47 100644
--- a/content/content-management/related.md
+++ b/content/content-management/related.md
@@ -57,6 +57,10 @@ type PageGenealogist interface {
 ## Configure Related Content
 Hugo provides a sensible default configuration of Related Content, but you can fine-tune this in your configuration, on the global or language level if needed.
 
+{{% note %}}
+If you add a `related` config section, you need to add a complete configuration. It is not possible to just set, say, `includeNewer` and use the rest  from the Hugo defaults.
+{{% /note %}}
+
 Below is a sample `config.toml` section:
 
 ```