diff --git a/rdptransport/java/src/es/virtualcable/rdp/WinRdpFile.java b/rdptransport/java/src/es/virtualcable/rdp/WinRdpFile.java
index 2b5f28318..63da6b404 100644
--- a/rdptransport/java/src/es/virtualcable/rdp/WinRdpFile.java
+++ b/rdptransport/java/src/es/virtualcable/rdp/WinRdpFile.java
@@ -1,5 +1,7 @@
 package es.virtualcable.rdp;
 
+// More info about RDP files: http://technet.microsoft.com/en-us/library/ff393699%28WS.10%29.aspx
+
 import java.io.FileWriter;
 import java.io.IOException;
 import java.io.PrintWriter;