diff --git a/config_RF.h b/config_RF.h
index 17a2c39..7835f65 100644
--- a/config_RF.h
+++ b/config_RF.h
@@ -68,9 +68,8 @@ RF supported protocols
     #define RF_RECEIVER_PIN 13 // D13 on DOIT ESP32
     #define RF_EMITTER_PIN 12 // D12 on DOIT ESP32
 #else
-    //IMPORTANT NOTE: On arduino UNO connect IR emitter pin to D9 , comment #define IR_USE_TIMER2 and uncomment #define IR_USE_TIMER1 on library <library>IRremote/IRremoteInt.h so as to free pin D3 for RF RECEIVER PIN
+    //IMPORTANT NOTE: On arduino UNO connect IR emitter pin to D9 , comment #define IR_USE_TIMER2 and uncomment #define IR_USE_TIMER1 on library <library>IRremote/boarddefs.h so as to free pin D3 for RF RECEIVER PIN
     //RF PIN definition
     #define RF_RECEIVER_PIN 1 //1 = D3 on arduino
     #define RF_EMITTER_PIN 4 //4 = D4 on arduino
 #endif
-