diff --git a/etc/zones.conf b/etc/zones.conf
index 47d3e2232..31845e1e0 100644
--- a/etc/zones.conf
+++ b/etc/zones.conf
@@ -60,8 +60,7 @@ zone.external.force_shutdown_policy = 10000|32MB
 ## Depth so big may lead to subscribing performance issues.
 ##
 ## Value: Number [0-65535]
-## Default 7
-zone.external.max_topic_levels = 7
+## zone.external.max_topic_levels = 7
 
 ## Maximum QoS allowed.
 ##