diff --git a/README.md b/README.md
index 111672e..80163f1 100644
--- a/README.md
+++ b/README.md
@@ -128,4 +128,10 @@ XLX Server requires the following ports to be open and forwarded properly for in
  - UDP port 10100         (AMBE controller port)
  - UDP port 10101 - 10199 (AMBE transcoding port)
 
+# YSF Master Server
+
+Pay attention, the XLX Server acts as an YSF Master, which provides 26 wires-x rooms.
+It has nothing to do with the regular YSFReflector network, hence you don’t need register your XLX at ysfreflector.de !
+
+
 © 2016 Jean-Luc Deltombe and Luc Engelmann LX1IQ