From 7963233140f472a12d3f67db7444ac8b8b2bec53 Mon Sep 17 00:00:00 2001
From: tmk <tmk@users.noreply.github.com>
Date: Mon, 14 Apr 2014 16:16:06 -0700
Subject: Updated FAQ (markdown)

---
 FAQ.md | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'FAQ.md')

diff --git a/FAQ.md b/FAQ.md
index dc770b75e7..c5fb2247b6 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -133,4 +133,8 @@ http://geekhack.org/index.php?topic=12047.msg1292018#msg1292018
 
 
 ## Special Extra key doesn't work(System, Audio control keys)
+You need to define `EXTRAKEY_ENABLE` in **makefile** to use them in TMK.
+```
+EXTRAKEY_ENABLE = yes          # Audio control and System control
+```
 http://deskthority.net/workshop-f7/tmk-keyboard-firmware-collection-t4478-60.html#p157919
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