diff --git a/tasmota/my_user_config.h b/tasmota/my_user_config.h
index 626283ecc..e55baa1ed 100644
--- a/tasmota/my_user_config.h
+++ b/tasmota/my_user_config.h
@@ -384,6 +384,7 @@
 //  #define USE_INA226                             // Enable INA226 (I2C address 0x40, 0x41 0x44 or 0x45) Low voltage and current sensor (+2k3 code)
   #define USE_SHT3X                              // Enable SHT3x (I2C address 0x44 or 0x45) or SHTC3 (I2C address 0x70) sensor (+0k7 code)
 //  #define USE_TSL2561                            // Enable TSL2561 sensor (I2C address 0x29, 0x39 or 0x49) using library Joba_Tsl2561 (+2k3 code)
+//  #define USE_TSL2591                              // Add I2C code for TSL2591 sensor
 //  #define USE_MGS                                // Enable Xadow and Grove Mutichannel Gas sensor using library Multichannel_Gas_Sensor (+10k code)
     #define MGS_SENSOR_ADDR    0x04              // Default Mutichannel Gas sensor i2c address
 //  #define USE_SGP30                              // Enable SGP30 sensor (I2C address 0x58) (+1k1 code)