diff --git a/README.md b/README.md
index 37edeaa8..9d95f9bb 100644
--- a/README.md
+++ b/README.md
@@ -106,9 +106,11 @@ Linux 32/64, Linux ARM (like Raspberry Pi, BeagleBone, CubieBoard).
             delay(1000);
           }
           ```
+          
         - Else you need to implement ```app_main()``` and call ```initArduino();``` in it.
 
-          Keep in mind that setup() and loop() will not be called in this case
+          Keep in mind that setup() and loop() will not be called in this case.
+          If you plan to base your code on examples provided in [esp-idf](https://github.com/espressif/esp-idf/tree/master/examples), please make sure move the app_main() function in main.cpp from the files in the example.
 
           ```arduino
           //file: main.cpp