diff --git a/src/CANNode.cpp b/src/CANNode.cpp
index 374ab22..5f044e2 100644
--- a/src/CANNode.cpp
+++ b/src/CANNode.cpp
@@ -2,8 +2,8 @@
 
 // -------------------------------------------------------------
 // CANNode for Teensy 3.1/3.2
-//
-// by wiebel
+// GPLv2
+// by wiebel (c) 2015-2018 
 //
 
 #include <Metro.h>
diff --git a/src/Node_1_def.h b/src/Node_1_def.h
index f2f5a61..74d9caa 100644
--- a/src/Node_1_def.h
+++ b/src/Node_1_def.h
@@ -1,4 +1,6 @@
-// Configuration
+#include "CANNode.h"
+
+// Node 01 - Dachstuhl
 #define NODE_ID 0x01
 
 // Misc
diff --git a/src/Node_2_def.h b/src/Node_2_def.h
index 36dcbf1..caaa3f6 100644
--- a/src/Node_2_def.h
+++ b/src/Node_2_def.h
@@ -1,5 +1,6 @@
 #include "CANNode.h"
-// Configuration
+
+// Node 02 - Werkstatt
 #define NODE_ID 0x02
 
 // Misc
@@ -30,7 +31,8 @@ static OW_switch_t switches[N_SWITCHES] PROGMEM={
 //  nick, addr[8], event_tag[pioA_FALL, pioA_RISE, pioB_FALL, pioB_RISE]
  { 255, { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 }, { 0, 0, 0, 0 } },
  { 21, { 0x12, 0x86, 0xB4, 0x54, 0x0, 0x0, 0x0, 0x5F }, { 23, 23, 37, 37 } }, // Flur
- { 22, { 0x12, 0x5E, 0xFF, 0x55, 0x0, 0x0, 0x0, 0x2C }, { 21, 21, 22, 22 } }, // WZ
+ { 22, { 0x12, 0xC7, 0x2F, 0xCF, 0x0, 0x0, 0x0, 0xAF }, { 22, 22, 21, 21 } }, // WZ
+// { 22, { 0x12, 0x5E, 0xFF, 0x55, 0x0, 0x0, 0x0, 0x2C }, { 21, 21, 22, 22 } }, // WZ
  { 0, { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 }, { 0, 0, 0, 0 } }
 };
 static uint8_t switches_state[N_SWITCHES];
diff --git a/src/Node_3_def.h b/src/Node_3_def.h
index e12f57a..cee91ae 100644
--- a/src/Node_3_def.h
+++ b/src/Node_3_def.h
@@ -1,5 +1,6 @@
 #include "CANNode.h"
-// Configuration
+
+// Node 03 - Keller
 #define NODE_ID 0x03
 
 // Misc