diff --git a/etc/ryu/ryu.conf b/etc/ryu/ryu.conf
index e1a44581..341de67c 100644
--- a/etc/ryu/ryu.conf
+++ b/etc/ryu/ryu.conf
@@ -2,7 +2,7 @@
 
 [DEFAULT]
 
-#wsapi-host=<hostip>
-#wsapi-port=<port:8080>
-#ofp-listen-host=<hostip>
-#ofp-listen-port=<port:6633>
+#wsapi_host=<hostip>
+#wsapi_port=<port:8080>
+#ofp_listen_host=<hostip>
+#ofp_listen_port=<port:6633>