diff --git a/doc/backup-upload.md b/doc/backup-upload.md
index f2bf4de..f9aaa29 100644
--- a/doc/backup-upload.md
+++ b/doc/backup-upload.md
@@ -42,6 +42,10 @@ The configuration goes to `global-config-overlay`, these are the parameters:
 * `BackupUploadUser`: username for server authentication
 * `BackupUploadPass`: password for server authentication
 
+> ℹ️ **Info**: Copy relevant configuration from
+> [`global-config`](../global-config.rsc) (the one without `-overlay`) to
+> your local `global-config-overlay` and modify it to your specific needs.
+
 Also notification settings are required for
 [e-mail](mod/notification-email.md),
 [matrix](mod/notification-matrix.md) and/or