diff --git a/libp2p/pubsub/pb/rpc.proto b/libp2p/pubsub/pb/rpc.proto
index df38bad..a085756 100644
--- a/libp2p/pubsub/pb/rpc.proto
+++ b/libp2p/pubsub/pb/rpc.proto
@@ -9,7 +9,7 @@ message RPC {
 	repeated Message publish = 2;
 
 	message SubOpts {
-		optional bool subscribe = 1; // subscribe or unsubcribe
+		optional bool subscribe = 1; // subscribe or unsubscribe
 		optional string topicid = 2;
 	}
 
@@ -75,4 +75,4 @@ message TopicDescriptor {
 			WOT = 2; // web of trust, certificates can allow publisher set to grow
 		}
 	}
-}
\ No newline at end of file
+}