diff --git a/README.cygwin b/README.cygwin
index 99ab5a1278ba497dd06959a93fcb72552ed1cb45..da2ae9c83c5ffb4146108966dd050bca117c1fe7 100644
--- a/README.cygwin
+++ b/README.cygwin
@@ -9,6 +9,11 @@
 *   Baranyi, Botond
 *   Pilisi, Gergely
 ******************************************************************************
+
+Please be aware that due to the incompatibility of EPL and GPL licenses, one may not link EPL and GPL code together 
+and distribute the result. ( see https://mmilinkov.wordpress.com/2010/04/06/epl-gpl-commentary/). However 
+from pure tehnical standpoint Titan can be compiled on GPL-licensed Cygwin as detailed below. 
+
 Cygwin setup
     - If Cygwin is installed already, refresh your Cygwin installation
       Titan is always build for the newest Cygwin version available.