```\r
https://github.com/tmk/tmk_keyboard/blob/master/keyboard/hbkb/matrix.c#L67\r
\r
-And read **26.5.1 MCU Control Register – MCUCR** of ATMega32U4 datasheet.
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+And read **26.5.1 MCU Control Register – MCUCR** of ATMega32U4 datasheet.\r
+\r
+## Adding LED indicators of Lock keys\r
+You need your own LED indicators for CapsLock, ScrollLock and NumLock? See this post.\r
+http://deskthority.net/workshop-f7/tmk-keyboard-firmware-collection-t4478-120.html#p191560
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