diff --git a/sonoff/my_user_config.h b/sonoff/my_user_config.h
index ef81066f3..cade32e94 100644
--- a/sonoff/my_user_config.h
+++ b/sonoff/my_user_config.h
@@ -312,7 +312,7 @@
 //    #define USE_PCA9685_FREQ 50                  // Define default PWM frequency in Hz to be used (must be within 24 to 1526) - If other value is used, it will rever to 50Hz
 //  #define USE_MPR121                             // Enable MPR121 controller (I2C addresses 0x5A, 0x5B, 0x5C and 0x5D) in input mode for touch buttons (+1k3 code)
 //  #define USE_CCS811                             // Enable CCS811 sensor (I2C address 0x5A) (+2k2 code)
-//  #define USE_MPU6050                            // Enable MPU6050 sensor (I2C address 0x68 AD0 low or 0x69 AD0 high) (+2k6 code)
+//  #define USE_MPU6050                            // Enable MPU6050 sensor (I2C address 0x68 AD0 low or 0x69 AD0 high) (+12KB of code and 188 Bytes RAM)
 //  #define USE_DS3231                             // Enable DS3231 external RTC in case no Wifi is avaliable. See docs in the source file (+1k2 code)
 //    #define USE_RTC_ADDR  0x68                   // Default I2C address 0x68
 //  #define USE_MGC3130                            // Enable MGC3130 Electric Field Effect Sensor (I2C address 0x42) (+2k7 code, 0k3 mem)