diff --git a/config/config.sample.php b/config/config.sample.php
index 3865e54304202..fd25815decea1 100644
--- a/config/config.sample.php
+++ b/config/config.sample.php
@@ -1977,7 +1977,7 @@
  *
  * By default, a background job runs every 10 minutes and execute a background
  * scan to sync filesystem and database. Only users with unscanned files
- * (size=0 in filecache) are included. Maximum 500 users per job.
+ * (size < 0 in filecache) are included. Maximum 500 users per job.
  *
  * Defaults to ``true``
  */