diff --git a/ryu/ofproto/ofproto_v1_0_parser.py b/ryu/ofproto/ofproto_v1_0_parser.py
index ad7a8933..f3d5a83f 100644
--- a/ryu/ofproto/ofproto_v1_0_parser.py
+++ b/ryu/ofproto/ofproto_v1_0_parser.py
@@ -53,7 +53,7 @@ def msg_parser(datapath, version, msg_type, msg_len, xid, buf):
 
 # OFP_MSG_REPLY = {
 #     OFPFeaturesRequest: OFPSwitchFeatures,
-#     OFPBarrierRequest: OFPBarrierReplay,
+#     OFPBarrierRequest: OFPBarrierReply,
 #     OFPQueueGetConfigRequest: OFPQueueGetConfigReply,
 #
 #     # ofp_stats_request -> ofp_stats_reply