Update libraries/SD_MMC/examples/SDMMC_Test/SDMMC_Test.ino

Co-authored-by: Lucas Saavedra Vaz <lucassvaz@yahoo.com.br>

Author: PilnyTomas

libraries/SD_MMC/examples/SDMMC_Test/SDMMC_Test.ino

@@ -237,7 +237,7 @@ void setup(){
     if(!SD_MMC.begin("/sdcard", use_1_bit_mode)){
         Serial.println("Card Mount Failed.");
         Serial.println("Increase log level to see more info: Tools > Core Debug Level > Verbose");
-        Serial.println("Make sure that all data pins have 10 kOhm pull-up resistor");
+        Serial.println("Make sure that all data pins have a 10k Ohm pull-up resistor");
 #ifdef SOC_SDMMC_USE_GPIO_MATRIX
         Serial.println("Make sure that when using generic ESP32-S3 board the pins are setup using SD_MMC.setPins()");
 #endif