diff --git a/lib/olt_lib/ir_rx/__init__.py b/lib/olt_lib/ir_rx/__init__.py
index 8c9e207..c4c029c 100644
--- a/lib/olt_lib/ir_rx/__init__.py
+++ b/lib/olt_lib/ir_rx/__init__.py
@@ -1,25 +1,10 @@
-# ir_rx __init__.py Decoder for IR remote control using synchronous code
-# IR_RX abstract base class for IR receivers.
-
-# Author: Peter Hinch
-# Copyright Peter Hinch 2020-2024 Released under the MIT license
-
-# Thanks are due to @Pax-IT for diagnosing a problem with ESP32C3.
+# IR_RX abstract base class for OpenLaserTag IR receiver.
+# Tomas Krejci [Njord]
 
 from machine import Timer, Pin
 from array import array
 from utime import ticks_us
 
-# from micropython import alloc_emergency_exception_buf
-# alloc_emergency_exception_buf(100)
-
-
-# On 1st edge start a block timer. While the timer is running, record the time
-# of each edge. When the timer times out decode the data. Duration must exceed
-# the worst case block transmission time, but be less than the interval between
-# a block start and a repeat code start (~108ms depending on protocol)
-
-
 class IR_RX:
     Timer_id = -1  # Software timer but enable override
     # Result/error codes
diff --git a/lib/olt_lib/ir_rx/acquire.py b/lib/olt_lib/ir_rx/acquire.py
index af3ab38..3487b08 100644
--- a/lib/olt_lib/ir_rx/acquire.py
+++ b/lib/olt_lib/ir_rx/acquire.py
@@ -1,9 +1,5 @@
-# acquire.py Acquire a pulse train from an IR remote
-# Supports NEC protocol.
-# For a remote using NEC see https://www.adafruit.com/products/389
-
-# Author: Peter Hinch
-# Copyright Peter Hinch 2020 Released under the MIT license
+# Acquire a pulse from OpenLaserTag IR remote
+# Tomas Krejci [Njord]
 
 from machine import Pin, freq
 from sys import platform
diff --git a/lib/olt_lib/ir_rx/olt.py b/lib/olt_lib/ir_rx/olt.py
index 79ad50c..2561069 100644
--- a/lib/olt_lib/ir_rx/olt.py
+++ b/lib/olt_lib/ir_rx/olt.py
@@ -1,8 +1,5 @@
-# sony.py Decoder for IR remote control using synchronous code
-# Sony SIRC protocol.
-
-# Author: Peter Hinch
-# Copyright Peter Hinch 2020 Released under the MIT license
+# Decoder for IR remote OpenLaserTag (Sony SIRC) protocol .
+# Tomas Krejci [Njord]
 
 from utime import ticks_us, ticks_diff
 from olt_lib.ir_rx import IR_RX
diff --git a/lib/olt_lib/ir_rx/print_error.py b/lib/olt_lib/ir_rx/print_error.py
index f7a7521..28f84b2 100644
--- a/lib/olt_lib/ir_rx/print_error.py
+++ b/lib/olt_lib/ir_rx/print_error.py
@@ -1,7 +1,5 @@
-# print_error.py Error print for IR receiver
-
-# Author: Peter Hinch
-# Copyright Peter Hinch 2020 Released under the MIT license
+# Error print for OpenLaserTag IR receiver
+# Tomas Krejci [Njord]
 
 from olt_lib.ir_rx import IR_RX
 
diff --git a/lib/olt_lib/ir_rx/test.py b/lib/olt_lib/ir_rx/test.py
index 53a429e..6a5bd22 100644
--- a/lib/olt_lib/ir_rx/test.py
+++ b/lib/olt_lib/ir_rx/test.py
@@ -1,8 +1,5 @@
-# test.py Test program for IR remote control decoder
-# Supports Pyboard, ESP32 and ESP8266
-
-# Author: Peter Hinch
-# Copyright Peter Hinch 2020-2022 Released under the MIT license
+## test.py Test program for OpenLaserTag IR remote control decoder
+## Tomas Krejci [Njord]
 
 # Run this to characterise a remote.
 import ustruct