diff --git a/examples/LoRaShield/LoRaShield.ino b/examples/LoRaShield/LoRaShield.ino
index ab51f92..ebf62a7 100644
--- a/examples/LoRaShield/LoRaShield.ino
+++ b/examples/LoRaShield/LoRaShield.ino
@@ -31,7 +31,7 @@
 #define LoRa_Device_RST     12
 #define LoRa_Device_DIO     39
 
-// IO35,39,34,36 can only be used for input and cannot be set as output
+//IO34,35,36,37,38,39 can only be used for input and cannot be set as output
 #define I2C_SDA             33
 #define I2C_SCL             32
 
diff --git a/examples/SPIExample/SPIExample.ino b/examples/SPIExample/SPIExample.ino
index 9ff5e07..870c727 100644
--- a/examples/SPIExample/SPIExample.ino
+++ b/examples/SPIExample/SPIExample.ino
@@ -13,13 +13,13 @@
 
 
 #if   defined(LILYGO_T_INTERNET_POE)
-// IO34 35,39,34,36 can only be used for input and cannot be set as output
+//ESP32 Version IO34,35,36,37,38,39 can only be used for input and cannot be set as output
 #define SPI_MOSI    4       //OUTPUT
 #define SPI_MISO    35      //INPUT
 #define SPI_SCK     33      //OUTPUT
 #define SPI_CS      16      //OUTPUT
 #elif defined(LILYGO_T_ETH_POE_PRO)
-// IO34 35,39,34,36 can only be used for input and cannot be set as output
+//ESP32 Version IO34,35,36,37,38,39 can only be used for input and cannot be set as output
 #define SPI_MOSI    12
 #define SPI_MISO    13
 #define SPI_SCK     14
@@ -28,7 +28,7 @@
 //No free pin
 #error "No  free pin"
 #elif defined(LILYGO_T_ETH_LITE_ESP32)
-// IO35,39,34,36 can only be used for input and cannot be set as output
+//ESP32 Version IO34,35,36,37,38,39 can only be used for input and cannot be set as output
 #define SPI_MOSI    13
 #define SPI_MISO    34      //INPUT
 #define SPI_SCK     14
diff --git a/examples/SPI_Wire_DevicesExample/SPI_Wire_DevicesExample.ino b/examples/SPI_Wire_DevicesExample/SPI_Wire_DevicesExample.ino
index 756c80f..2e130c3 100644
--- a/examples/SPI_Wire_DevicesExample/SPI_Wire_DevicesExample.ino
+++ b/examples/SPI_Wire_DevicesExample/SPI_Wire_DevicesExample.ino
@@ -21,7 +21,7 @@
 *   GPIO33 ---->   SDA
 *   GPIO32 ---->   SCL
 * */
-// IO35,39,34,36 can only be used for input and cannot be set as output
+//ESP32 Version IO34,35,36,37,38,39 can only be used for input and cannot be set as output
 
 
 #include <Arduino.h>
diff --git a/examples/SharingSPIBus/SharingSPIBus.ino b/examples/SharingSPIBus/SharingSPIBus.ino
index 16dbfb9..7671030 100644
--- a/examples/SharingSPIBus/SharingSPIBus.ino
+++ b/examples/SharingSPIBus/SharingSPIBus.ino
@@ -17,7 +17,7 @@
 #define SD_Device_CS            13
 #define Other_Device_CS         4       //Chip selection signal of another SPI
 
-// IO35,39,34,36 can only be used for input and cannot be set as output
+//ESP32 Version IO34,35,36,37,38,39 can only be used for input and cannot be set as output
 
 #define I2C_SDA                 33
 #define I2C_SCL                 32