diff --git a/README.md b/README.md
index a49b442..7d41f0c 100644
--- a/README.md
+++ b/README.md
@@ -68,12 +68,12 @@ Possible choices :
 ||PA_4|I/O|JTAG_SWO/I²C_SDA/PWM4/I²S_BCK/**ADC1**|U/D|**Battery resistor voltage divider output**||
 ||PA_7|I/O|**PWM4**/LSPI_MOSI/I²S_MCK/I²S_DI/Touch0|U/D|**LCD backlight N-MOSFET driver**||
 ||VDD3V3IO|P|IO power supply, 3.3V||||
-||PB_0|**I/O**|PWM0/LSPI_MISO/UART3_TX/PSRAM_CK/Touch3|U/D|**Battery resistor voltage divider enable**||
+||PB_0|I/O|PWM0/LSPI_MISO/UART3_TX/PSRAM_CK/Touch3|U/D|||
 ||PB_1|**I/O**|PWM1/LSPI_CK/UART3_RX/PSRAM_CS/Touch4|U/D|**Touch Panel IRQ line**||
 ||PB_2|I/O|PWM2/LSPI_CK/**UART2_TX**/PSRAM_D0/Touch5|U/D|**Debug UART serial output**||
-||PB_3|I/O|PWM3/LSPI_MISO/UART2_RX/PSRAM_D1/Touch6|U/D|||
+||PB_3|I/O|**PWM3**/LSPI_MISO/UART2_RX/PSRAM_D1/Touch6|U/D|**Vibration motor control pin** ||
 ||PB_4|I/O|LSPI_CS/UART2_RTS/UART4_TX/PSRAM_D2/Touch7|U/D|||
-||PB_5|I/O|LSPI_MOSI/UART2_CTS/UART4_RX/PSRAM_D3/Touch8|U/D|||
+||PB_5|**I/O**|LSPI_MOSI/UART2_CTS/UART4_RX/PSRAM_D3/Touch8|U/D|**Battery resistor voltage divider enable**||
 ||VDD3V3IO|P|IO power supply, 3.3V||||
 ||CAP|I|External capacitor, 4.7µF||||
 ||PB_6|I/O|UART1_TX/**MMC_CLK**/HSPI_CK/SDIO_CK/Touch9|U/D|**LCD Serial Clock Pin**||