diff --git a/aux_ac_custom_component.h b/aux_ac_custom_component.h
index 5a30104..680d099 100644
--- a/aux_ac_custom_component.h
+++ b/aux_ac_custom_component.h
@@ -1,3 +1,7 @@
+// Custom ESPHome component for AUX-based air conditioners
+// Need some soldering skills
+// Detailed connection instruction is available on github: https://github.com/GrKoR/esphome_aux_ac_component
+
 #include "esphome.h"
 #include <stdarg.h>
 
@@ -2215,4 +2219,4 @@ class AirConFirmwareVersion: public PollingComponent, public TextSensor {
         void update() override {
             publish_state(AC_ROVEX_FIRMWARE_VERSION);
         }
-};
\ No newline at end of file
+};