diff --git a/docs/source/esp-idf_component.rst b/docs/source/esp-idf_component.rst
index e2049b4e2bf63070c1170ac649f3c9f6ed268af6..e46864e011b1187c0236d54dc3711ee1f8402be5 100644
--- a/docs/source/esp-idf_component.rst
+++ b/docs/source/esp-idf_component.rst
@@ -37,6 +37,8 @@ Installation
     cd ../.. && \
     idf.py menuconfig
 
+.. note:: If you use Arduino with ESP-IDF often, you can place the arduino folder into global components folder.
+
 Configuration
 -------------