diff --git a/conf/main_ipv6.conf.sample b/conf/main_ipv6.conf.sample
index 5e21826..0360e45 100644
--- a/conf/main_ipv6.conf.sample
+++ b/conf/main_ipv6.conf.sample
@@ -191,12 +191,12 @@ allow_ext_net=""
 
 # - allow_local_service
 # -
-# - allow_local_service="<port>:<protocol> [<port>:<protocol> [.."
+# - allow_local_service="<port>,<protocol> [<port>,<protocol> [.."
 # -
 # - Allow all traffic to given local service
 # -
 # - Example:
-# -    allow_local_service="8443:tcp 8080:tcp"
+# -    allow_local_service="8443,tcp 8080,tcp"
 # -
 # - Blank separated list
 # -