diff --git a/sonoff/user_config.h b/sonoff/user_config.h
index 86761b663..0dd11520e 100644
--- a/sonoff/user_config.h
+++ b/sonoff/user_config.h
@@ -292,8 +292,8 @@
 //  #define USE_SI1145                             // Enable SI1145/46/47 sensor (I2C address 0x60) (+1k code)
   #define USE_LM75AD                             // Enable LM75AD sensor (I2C addresses 0x48 - 0x4F) (+0k5 code)
 //  #define USE_APDS9960                           // Enable APDS9960 Proximity Sensor (I2C address 0x39). Disables SHT and VEML6070 (+4k7 code)
-//  #define USE_MCP230xx                           // Enable MCP23008/MCP23017 for GP INPUT ONLY (I2C addresses 0x20 - 0x27) providing command Sensor29 for configuration (+2k2 code)
-//    #define USE_MCP230xx_OUTPUT                  // Enable MCP23008/MCP23017 OUTPUT support through sensor29 commands (+1k code)
+//  #define USE_MCP230xx                           // Enable MCP23008/MCP23017 for GP INPUT ONLY (I2C addresses 0x20 - 0x27) providing command Sensor29 for configuration (+4k7 code)
+//    #define USE_MCP230xx_OUTPUT                  // Enable MCP23008/MCP23017 OUTPUT support through sensor29 commands (+1k5 code)
 //    #define USE_MCP230xx_DISPLAYOUTPUT           // Enable MCP23008/MCP23017 to display state of OUTPUT pins on Web UI (+0k2 code)
 //  #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)