diff --git a/rbackup/config/backup.conf b/rbackup/config/backup.conf
index 325cf75..ecae224 100644
--- a/rbackup/config/backup.conf
+++ b/rbackup/config/backup.conf
@@ -2,4 +2,5 @@
 ## JSON-style lists are supported for certain options
 
 [main]
-RsyncOptions =
+## If given, must be an array that can be JSON-decoded
+#RsyncOptions =