diff --git a/README.md b/README.md
index cfdb7d5..9181d54 100644
--- a/README.md
+++ b/README.md
@@ -2,9 +2,9 @@
 
 |Parameter| Value
 |---------|-------------
-| IP Adr. | 192.168.2.1
+| IP Adr. | 192.168.1.1
 | Subnet  | 255.255.0.0
-| MAC     | 00-08-dc-ab-cd-f1
+| MAC     | 00-08-dc-ab-cd-f2
 
 ### MQTT
 
@@ -29,6 +29,7 @@
 |Timer|  Type  | Usage                         | Mode                   | used ISRs      | Output connected
 |-----|--------|-------------------------------|------------------------|----------------|------------------
 |  0  |  8 bit | Millis Tick Timer (1kHz)      | 2 (CTC)                | COMPA          | -
+|  2  |  8 bit | Modbus Tick Timer (1kHz)      | 2 (CTC)                | COMPA          | -
 
 ### UART
 
@@ -37,4 +38,4 @@
 |  0 | Debug Prints (connected to USB)
 |  1 |
 |  2 |
-|  3 | 
+|  3 | Modbus RS485