diff --git a/config/config.sample.php b/config/config.sample.php
index a66c146601c5..e142816231c9 100644
--- a/config/config.sample.php
+++ b/config/config.sample.php
@@ -535,7 +535,8 @@
 
 /**
  * Check if ownCloud is up-to-date and shows a notification if a new version is
- * available.
+ * available. This option is only applicable to ownCloud core. It is not
+ * applicable to app updates.
  */
 'updatechecker' => true,