diff --git a/src/cpp/windows/jssc.c++ b/src/cpp/windows/jssc.c++
index 7d9b095..046856d 100644
--- a/src/cpp/windows/jssc.c++
+++ b/src/cpp/windows/jssc.c++
@@ -1,5 +1,5 @@
 /* jSSC (Java Simple Serial Connector) - serial port communication library.
- * © Alexey Sokolov (scream3r), 2010-2013.
+ * © Alexey Sokolov (scream3r), 2010-2014.
  *
  * This file is part of jSSC.
  *
@@ -57,7 +57,7 @@ JNIEXPORT jlong JNICALL Java_jssc_SerialNativeInterface_openPort(JNIEnv *env, jo
     if(hComm != INVALID_HANDLE_VALUE){
     	DCB *dcb = new DCB();
     	if(!GetCommState(hComm, dcb)){
-    		CloseHandle(hComm);
+    		CloseHandle(hComm);//since 2.7.0
     		hComm = (HANDLE)jssc_SerialNativeInterface_ERR_INCORRECT_SERIAL_PORT;//(-4)Incorrect serial port
     	}
     	delete dcb;