diff --git a/lib/native/index.js b/lib/native/index.js
index 22f1885b..f0bbbef0 100644
--- a/lib/native/index.js
+++ b/lib/native/index.js
@@ -194,9 +194,13 @@ var clientBuilder = function(config) {
     }
   });
   connection.on('_copyInResponse', function () {
+    //connection is ready to accept chunks
+    //start to send data from stream 
     connection._activeQuery.streamData(connection);
   });
   connection.on('_copyData', function (chunk) {
+    //recieve chunk from connection
+    //move it to stream
     connection._activeQuery.handleCopyFromChunk(chunk);
   });
   return connection;