diff --git a/README b/README
index 1c10404..25e458f 100644
--- a/README
+++ b/README
@@ -1,8 +1,12 @@
 === Brmdoor control software ===
 
-brmd/ - integration hub that collects data from various sources and provides unified reporting on IRC and web etc.
+brmd/ - integration hub that collects data from various sources and provides
+unified reporting on IRC and web etc.
 
 brmdoor/ - Arduino software
 
 
 Project webpage: http://brmlab.cz/project/brmdoor
+
+Note for PN532 version: if you want brmdoor to add card UID after "CARD"
+message (not just nick), set printFullUID to true in brmdoor/brmdoor.ino.