Convert all headings to Title Case

docs/faq_build.md

@@ -2,7 +2,7 @@
 
 This page covers questions about building QMK. If you have not yet you should read the [Build Environment Setup](getting_started_build_tools.md) and [Make Instructions](getting_started_make_guide.md) guides.
 
-## Can't program on Linux
+## Can't Program on Linux
 You will need proper permission to operate a device. For Linux users see udev rules below. Easy way is to use `sudo` command, if you are not familiar with this command check its manual with `man sudo` or this page on line.
 
 In short when your controller is ATMega32u4,
@@ -17,7 +17,7 @@ or just
 
 But to run `make` with root privilege is not good idea. Use former method if possible.
 
-## WINAVR is obsolete
+## WINAVR is Obsolete
 It is no longer recommended and may cause some problem.
 See [TMK Issue #99](https://github.com/tmk/tmk_keyboard/issues/99).
 
@@ -33,7 +33,7 @@ You can buy a really unique VID:PID here. I don't think you need this for person
 - http://www.obdev.at/products/vusb/license.html
 - http://www.mcselec.com/index.php?page=shop.product_details&flypage=shop.flypage&product_id=92&option=com_phpshop&Itemid=1
 
-## Linux udev rules
+## Linux `udev` Rules
 On Linux you need proper privilege to access device file of MCU, you'll have to use `sudo` when flashing firmware. You can circumvent this with placing these files in `/etc/udev/rules.d/`.
 
 **/etc/udev/rules.d/50-atmel-dfu.rules:**
@@ -53,7 +53,7 @@ SUBSYSTEMS=="usb", ATTRS{idVendor}=="feed", MODE:="0666"
 ```
 
 
-## Cortex: cstddef: No such file or directory
+## Cortex: `cstddef: No such file or directory`
 GCC 4.8 of Ubuntu 14.04 had this problem and had to update to 4.9 with this PPA.
 https://launchpad.net/~terry.guo/+archive/ubuntu/gcc-arm-embedded
 
@@ -62,7 +62,7 @@ https://github.com/tmk/tmk_keyboard/wiki/mbed-cortex-porting#compile-error-cstdd
 https://developer.mbed.org/forum/mbed/topic/5205/
 
 
-## `clock_prescale_set` and `clock_div_1` not available
+## `clock_prescale_set` and `clock_div_1` Not Available
 Your toolchain is too old to support the MCU. For example WinAVR 20100110 doesn't support ATMega32u2.
 
 ```