docs: Match Single Blank Line Above and Below A Title

Signed-off-by: Yifei Ding <yifeiding@protonmail.com>
This commit is contained in:
Yifei Ding 2021-10-23 11:35:35 -07:00 committed by KevinOConnor
parent d602177281
commit c0ea48a582
6 changed files with 14 additions and 2 deletions

View file

@ -3,8 +3,8 @@
This document describes how to setup a PWM-controlled laser or spindle
using `output_pin` and some macros.
## How does it work?
With re-purposing the printhead's fan pwm output, you can control
lasers or spindles.
This is useful if you use switchable print heads, for example