Updated STM32duinoBLE (markdown)

Author: cparata

STM32duinoBLE.md

@@ -64,15 +64,15 @@ Erase the flash memory of the BlueNRG-2 chip:
 
 Download the Link Layer Only firmware for the BLE module from the following link:
 
-[DTM_LLOnly.bin](https://github.com/stm32duino/wiki/raw/master/X-NUCLEO-BNRG2A1/DTM_LLOnly.bin)
+[DTM_LLOnly.bin](https://github.com/stm32duino/wiki/blob/main/X-NUCLEO-BNRG2A1/DTM_LLOnly.bin)
 
 Load the Link Layer Only firmware in the ST BlueNRG-1_2 Flasher Utility and then press the "Flash" button:
 
 [[/img/X_NUCLEO_BNRG2A1_4.PNG|alt="Load and flash the new firmware into BlueNRG-2 chip"]]
 
 If you need to restore the stock firmware of the BLE module of X-NUCLEO-BNRG2A1, you can repeat the procedure using this firmware image:
 
-[DTM_Full.bin](https://github.com/stm32duino/wiki/raw/master/X-NUCLEO-BNRG2A1/DTM_Full.bin)
+[DTM_Full.bin](https://github.com/stm32duino/wiki/blob/main/X-NUCLEO-BNRG2A1/DTM_Full.bin)
 
 If you should find some issues during the update process, you can try to repeat the procedure closing the J15 jumper on the X-NUCLEO-BNRG2A1 expansion board.