fix comment
diff --git a/peer/peer.go b/peer/peer.go
index 20182a6..46d9ed4 100644
--- a/peer/peer.go
+++ b/peer/peer.go
@@ -31,7 +31,8 @@
  *
  */
 
-// Package peer contains all the peer information of an RPC.
+// Package peer defines various peer information associated with RPCs and
+// corresponding utils.
 package peer
 
 import (