Updated FAQ (markdown)

FAQ.md

@@ -120,6 +120,7 @@ http://deskthority.net/workshop-f7/rebuilding-and-redesigning-a-classic-thinkpad
 ## Pull-up Resistor
 In some case converters needed to have pull-up resistors to work correctly. Place the resistor between VCC and signal line in parallel.
 
+For example:
 ```
 Keyboard       Conveter
                ,------.
@@ -134,6 +135,8 @@ GND------------|GND   |
 R: 1K Ohm resistor
 ```
 
+https://github.com/tmk/tmk_keyboard/issues/71
+
 
 ## Arduino Micro's pin naming is confusing
 Note that Arduino Micro PCB marking is different from real AVR port name. D0 of Arduino Micro is not PD0, PD0 is D3. Check schematic yourself.