diff --git a/src/main.cpp b/src/main.cpp
index 5ba8ab9..1d1462f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -4,7 +4,7 @@ XKC-Y25-NPN WATERPROOF NON-CONTACT LIQUID LEVEL SENSOR SWITCH
 Connection of the Sensor:
   Brown  - +5-12V (3.3v from ESP32 worked for me)
   Blue   - GND
-  Yellow - Signal (Add pull down resistor!)
+  Yellow - Signal (Add pull down resistor! 10K worked)
   Black  - Normally Open/Closed Selection (if open -> NC, of connected to GND -> NC)
 */