diff --git a/CMakeLists.txt b/CMakeLists.txt
index baf4fe5..8074797 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,3 +1,8 @@
+# Author: diplfranzhoepfinger 
+# reference:  https://docs.espressif.com/projects/arduino-esp32/en/latest/esp-idf_component.html
+# URL: https://github.com/milesburton/Arduino-Temperature-Control-Library
+# DATE: 15.02.2023
+
 idf_component_register(
     SRCS "DallasTemperature.cpp"
     INCLUDE_DIRS "."